GENNADIY FELDMAN' s LIST OF PUBLICATIONSMonographs
G. Feldman. Characterization of Probability Distributions on Locally Compact Abelian Groups. Mathematical Surveys and Monographs. Vol. 273. American Mathematical Society, Providence, RI, 2023, ix+240 pp. ISBN 978-1-4704-7295-5
G.M. Feldman. Characterization Problems of Mathematical Statistics on Locally Compact Abelian Groups. Kyiv, Naukova Dumka, 2010, 432 pp.(Russian) ISBN 978-966-00-0969-0
G. Feldman. Functional Equations and Characterization Problems on Locally Compact Abelian Groups. EMS Tracts in Mathematics. Vol. 5. Zurich. European Mathematical Society (EMS), 2008, xii+256 pp. ISBN 978-3-03719-045-6
G.M. Fel’dman. Arithmetic of Probability Dstributions and Characterization Problems on Abelian Groups. AMS Translation of Mathematical Monographs. Vol. 116. Providence, RI: AMS 1993, vi+223 pp. ISBN 0-8218-4593-4
G.M. Fel’dman. Arithmetic of Probability Dstributions and Characterization Problems on Abelian Groups. Kyiv, Naukova Dumka, 1990, 168 pp. (Russian).
Articles
G. Feldman. Heyde characterization theorem for some classes of locally compact Abelian groups. Journal of Mathematical Analysis and Applications. Vol. 551, no. 2, Part 2, article 129717, (2025), 14 pp.
G. Feldman. On the Li–Zheng theorem. Aequationes Mathematicae. Vol. 99, no. 3, (2025), 927–947.
G. Feldman. An analogue of Heyde's theorem for a certain class of compact totally disconnected Abelian groups and p-quasicyclic groups. Results in Mathematics. Vol. 80, no. 2, article 63, (2025), 21 pp.
G. Feldman. Heyde Theorem on Locally Compact Abelian Groups with the Connected Component of Zero of Dimension 1. Potential Analysis. Vol. 60, no. 4, article 160, (2024), 1445–1460.
G. Feldman. Characterization of probability distributions on some locally compact Abelian groups containing an element of order 2. Journal of Mathematical Analysis and Applications. Vol. 539, no. 2, article 128579, (2024), 16 pp.
G. Feldman. Heyde Theorem for Locally Compact Abelian Groups Containing No Subgroups Topologically Isomorphic to the 2-Dimensional Torus. Journal of Fourier Analysis and Applications. Vol. 30, no. 3, article 34, (2024), 16 pp.
G. Feldman. Arithmetic of a certain convolution semigroup of probability distributions on the group R × Z(2). Journal of Mathematical Physics, Analysis, Geometry. Vol. 20, no. 4, (2024), 450–462.
G. Feldman. On a characterization theorem in the space Rⁿ. Journal of Mathematical Analysis and Applications. Vol. 528, no. 2, article 127583, (2023), 12 pp.
G. Feldman. On a Characterization of Shifts of Haar Distributions on Compact Open Subgroups of a Compact Abelian Group. Results in Mathematics. Vol. 78, no. 4, article 160, (2023), 22 pp.
G. Feldman. On a characterization theorem for locally compact Abelian groups containing an element of order 2. Potential Analysis. Vol. 56, no. 2, (2022), 297–315.
G. Feldman. Generalization of the Heyde theorem to some locally compact Abelian groups. Results in Mathematics. Vol. 77, no. 4, article 177, (2022), 1–20.
G. Feldman. On the Skitovich–Darmois theorem for complex and quaternion random variables. Georgian Mathematical Journal. Vol. 28, no. 5, (2021), 717–723.
G. Feldman. A characterization theorem on compact Abelian groups. Journal of Fourier Analysis and Applications. Vol. 27, no. 5, article 86, (2021), 23 pp.
G. Feldman. The Kac–Bernstein functional equation on Abelian groups. Aequationes Mathematicae. Vol. 95, no. 4, (2021), 737–750.
G. Feldman. Generalized Pólya’s Theorem on a-adic Solenoids. Results in Mathematics. Vol. 76, no. 3, article 124, (2021), 11 pp.
G. Feldman. On a Characterization Theorem for Connected Locally Compact Abelian Groups. Journal of Fourier Analysis and Applications. Vol. 26, no. 1, article 14, (2020), 22 pp.
G.M. Feldman. On Heyde’s Theorem on the Group R×T. Doklady Rossiiskoi Akademii Nauk. Matematika, Informatika, Protsessy Upravleniya. Vol. 493, (2020), 42–46 (Russian), (English transl. Doklady Mathematics. Vol. 102, no. 1, (2020), 296–300).
G. Feldman. On a generalisation of the Skitovich–Darmois theorem for several linear forms on Abelian groups. Aequationes Mathematicae. Vol. 94, no. 2, (2020), 369–380.
G.M. Feldman. On a characterization theorem on a-adic solenoids. Dokl. Akad. Nauk. Vol. 489, no. 3, (2019), 227–231 (Russian), (English transl. Doklady Mathematics. Vol. 100, no. 3, (2019), 538–541).
G.M. Feldman, M.V. Myronyuk. On a characterization theorem on non-discrete totally disconnected locally compact fields. Publ. Math. Debrecen. Vol. 95, no. 3–4, (2019), 363–376.
G.M. Feldman. On a C.R. Rao’s Theorem for Locally Compact Abelian Groups. Dokl. Akad. Nauk. Vol. 484, no. 3, (2019), 273–276 (Russian), (English transl. Doklady Mathematics. Vol. 99, no. 1, (2019), 48–51).
G.M. Feldman. On analogues of C.R. Rao's theorems for locally compact Abelian groups. J. Difference Equat. Appl. Vol. 12, no. 12, (2018), 1967–1980.
G.M. Feldman. On Heyde’s Theorem for Probability Distributions on a Discrete Abelian Group. Dokl. Akad. Nauk. Vol. 478, no. 1, (2018), 17–21 (Russian), (English transl. Doklady Mathematics. Vol. 97, no. 1, (2018), 11–14).
G. Feldman, M. Myronyuk. On the Skitovich–Darmois theorem for some locally compact Abelian groups. Aequationes Mathematicae. Vol. 92, no. 6, (2018), 1129–1147.
G.M. Feldman. On a characterisation theorem for probability distributions on discrete Abelian groups. Teor. Veroyatn. Primen. Vol. 63, no. 4, (2018), 730–754 (Russian), (English transl. Theory Probab. Appl. Vol. 63, no. 4, (2019), 594–612).
G.M. Feldman. On the Heyde theorem for some locally compact Abelian groups. Dokl. Akad. Nauk. Vol. 473, no. 3, (2017), 16–20 (Russian), (English transl. Doklady Mathematics. Vol. 95, no. 2, (2017), 147–150).
G.M. Feldman. Heyde's characterization theorem for some locally compact Abelian groups. Teor. Veroyatn. Primen. Vol. 62, no. 3, (2017), 499–517 (Russian), (English transl. Theory Probab. Appl. Vol. 62, no. 4, (2018), 399–412).
G. Feldman, M. Myronyuk. On a Characterization of Idempotent Distributions on Discrete Fields and on the Field of p-Adic Numbers. J. Theoret. Probab. Vol. 30, no. 2 (2017), 608–623.
G. Feldman. Characterization theorems for Q-independent random variables with values in a locally compact Abelian group. Aequationes Mathematicae. Vol. 91, no. 5 (2017), 949–967.
M.V. Myronyuk, G.M. Feldman. On Geary’s theorem for the field of p-adic numbers. Dokl. Akad. Nauk. Vol. 467, no. 2, (2016), 131–134 (Russian), (English transl. Doklady Mathematics. Vol. 93, no. 2, (2016), 152–154)
G.M. Feldman. Independent random variables in Abelian groups with independent sum and difference. Teor. Veroyatn. Primen. 61 (2) (2016), 404–414 (Russian), (English transl. Theory Probab. Appl. 61 (2) (2017), 335–345).
G.M. Feldman. On a characterization theorem for the group of p-adic numbers. Publications Mathematicae Debrecen 87 (1–2) (2015), 147–166.
G.M. Feldman. On the Skitovich–Darmois theorem for the group of p-adic numbers. Journal of Theoretical Probability 28 (2) (2015), 539–549.
G.M. Feldman, P. Graczyk. On a functional equation appearing in characterization of distributions by the optimality of an estimate. Aequationes Mathematicae 86 (3) (2015), 663–671.
M.V. Myronyuk, G.M. Feldman. Independent linear statistics on the cylinders. Teor. Veroyatn. Primen. 59 (2) (2014), 252–275 (Russian), (English transl. Theory Probab. Appl. 59 (2) (2015), 260–278).
G.M. Feldman. The Heyde theorem on the group of p-adic numbers. Doklady Akademii Nauk 456 (5) (2014), 528–531 (Russian), (English transl. Doklady Mathematics 89 (3) (2014), 359–361).
G.M. Feldman. On a characterization of convolutions of Gaussian and Haar distributions. Mathematische Nachrichten 286 (4) (2013), 340–348.
G.M. Feldman. On a characterization of a convolution of Gaussian and idempotent distributions. Doklady Akademii Nauk 449 (4) (2013), 398–401 (Russian), (English transl. Doklady Mathematics 87 (2) (2013), 198–201).
G.M. Feldman. Gaussian measures in the sense of Bernstein: factorization, supports, zero-one law. Teor. Veroyatn. Primen. 56 (3) (2011), 494–513 (Russian). (English transl. Theory Probab. Appl. 56 (3) (2012), 359–375).
G.M. Feldman. Gaussian distribution in the sense of Bernstein on locally compact Abelian groups. Doklady Akademii Nauk 440 (3) (2011), 314–316 (Russian), (English transl. Doklady Mathematics 84 (2) (2011), 653–655).
G.M. Feldman, M.V. Myronyuk. Independent linear forms on connected Abelian groups. Mathematische Nachrichten 284 (2–3) (2011), 255–265.
G.M. Feldman, M.V. Myronyuk. On a characterization theorem on Abelian groups. Publications Mathematicae Debrecen 77 (3–4) (2010), 383–398.
G.M. Feldman, P. Graczyk. The Skitovich–Darmois theorem for locally compact Abelian groups. Journal of the Australian Mathematical Society 88 (3) (2010), 339–352.
G.M. Feldman. The Heyde theorem for locally compact Abelian groups. Journal of Functional Analysis 258 (12) (2010), 3977–3987.
G.M. Feldman. Independent linear statistics on a-adic solenoids. Teor. Veroyatn. Primen. 54 (3) (2009), 515–532 (Russian), (English transl. Theory Probab. Appl. 54 (3) (2010), 375–388).
M.V. Myronyuk, G.M. Feldman. On the Skitovich–Darmois theorem for connected Abelian groups. Doklady Akademii Nauk 424 (1) (2009), 12–15 (Russian), (English transl. Doklady Mathematics 79 (1) (2009), 6–9).
G.M. Feldman. On a theorem of K. Schmidt. Bulletin of the London Mathematical Society 41 (1) (2009), 103–108.
G.M. Feldman, M.V. Myronyuk. The Skitovich–Darmois equation in the classes of continuous and measurable functions. Aequationes Mathematicae 75 (1–2) (2008), 75–92.
M.V. Myronyuk, G.M. Feldman. Independent linear statistics on a-adic solenoids. Doklady Akademii Nauk 417 (4) (2007), 464–467 (Russian), (English transl. Doklady Mathematics 76 (3) (2007), 904–907).
G.M. Feldman. Continuity properties of polynomials on locally compact Abelian groups. Aequationes Mathematicae 73 (3) (2007), 285–290.
M.V. Myronyuk, G.M. Feldman. Independent linear statistics on the two-dimensional torus. Teor. Veroyatn. Primen. 52 (1) (2007), 3–20 (Russian), (English transl. Theory Probab. Appl. 52 (1) (2008), 78–92).
M.V. Myronyuk, G.M. Feldman. The Skitovich–Darmois equation in the classes of continuous and measurable functions. Doklady Akademii Nauk 410 (4) (2006), 453–456 (Russian), (English transl. Doklady Mathematics 74 (2) (2006), 700–703).
G.M. Feldman. On the Heyde theorem for discrete Abelian groups. Studia Mathematica 177 (1) (2006), 67–79.
G.M. Feldman. On a characterization theorem for locally compact Abelian groups. Probability Theory and Related Fields 133 (2005), 345–357.
M.V. Myronyuk, G.M. Feldman. On the Skitovich–Darmois theorem on the two-dimensional torus. Doklady Akademii Nauk 401 (6) (2005), 741–743 (Russian), (English transl. Doklady Mathematics 71 (2) (2005), 274–276).
M.V. Myronyuk, G.M. Feldman. On a characterization theorem on finite Abelian groups. Sibirsk. Mat. Zh. 46 (2) (2005), 403–415 (Russian), (English transl. Siberian Mathematical Journal 46 (2) (2005), 315–324).
G.M. Feldman. On the Heyde theorem for finite Abelian groups. Journal of Theoretical Probability 17 (4) (2004), 929–941.
G.M. Feldman, P. Graczyk. On the Skitovich–Darmois theorem for discrete Abelian groups. Teor. Veroyatn. Primen. Vol. 49, no. 3, (2004), 596–601 (Russian), (English trans. Theory Probab. Appl. Vol. 49, no. 3, (2005), 527–531)
M.V. Myronyuk, G.M. Feldman. On a characterization theorem on finite Abelian groups. Dopovidi Natsionalnoi Akademii Nauk Ukrainy (2004), no. 4, 23–27 (Russian).
G.M. Feldman. A characterization of the Gaussian distribution on Abelian groups. Probability Theory and Related Fields 126 (1) (2003), 91–102.
G.M. Feldman. To a characterization of the Gaussian distributions on Abelian groups. Doklady Akademii Nauk 384 (6) (2002), 738–740 (Russian), (English transl. Doklady Mathematics 65 (3) (2002), 440–442).
G.M. Feldman, Quoc-Phong Vu. On non-quasianalytic representations of Abelian groups. Matematicheskaya Fizika, Analiz, Geometriya 9 (1) (2002), 101–106.
G.M. Feldman. On groups for which the Bernstein characterization of a Gaussian distribution is valid. Dopovidi Natsionalnoi Akademii Nauk Ukrainy (2001), no. 8, 29–31.
P. Graczyk, G.M. Fel'dman. Independent linear statistics on finite Abelian groups. Ukrain. Mat. Zh. 53 (4) (2001), 441–448 (Russian), (English transl. Ukrainian Mathematical Journal 53 (4) (2001), 499–506).
G.M. Feldman, P. Graczyk. On the Skitovich–Darmois Theorem for Compact Abelian Groups. Journal of Theoretical Probability 13 (3) (2000), 859–869.
G.M. Feldman. More on the Skitovich–Darmois theorem for finite Abelian groups. Teor. Veroyatn. Primen 45 (3) (2000), 603–607 (Russian), (English transl. Theory Probab. Appl. 45 (3) (2001), 507–511).
H. Carnal, G.M. Feldman. A stability of one property for probability measures on Abelian groups. Statistics and Probability Letters 49 (2000), 39–44.
H. Carnal, G.M. Feldman. On a property of entire characteristic functions of finite order with real zeros. Doklady Akademii Nauk 366 (2) (1999), 162–163 (Russian), (English transl. Doklady Mathematics 59 (3) (1999), 379–380).
G.M. Feldman, G. Muraz. On an isometric representation with the maximal set of spectral subspaces. Matematicheskaya Fizika, Analiz, Geometriya 5 (3–4) (1998), 297–303.
G.M. Feldman. On a characterization of Gaussian distributions on Abelian groups by constancy of regression. Teor. Veroyatn. Primen 43 (3) (1998), 606–610 (Russian), (English transl. Theory Probab. Appl. 43 (3) (1999), 477–480).
G.M. Feldman. The Skitovich–Darmois theorem for discrete periodic Abelian groups. Teor. Veroyatn. Primen 42 (4) (1997), 747–756 (Russian), (English transl. Theory Probab. Appl. 42 (4) (1998), 611–617).
H. Carnal, G.M. Feldman. Phase retrieval for probability measures on Abelian groups, II. Journal of Theoretical Probability 10 (4) (1997), 1065–1074.
G.M. Feldman. Measures on Abelian groups. Trudy S.-Peterburgskogo Matematicheskogo Obshchestva 4 (1996), 113–156 (Russian), (English transl. American Mathematical Society Translations (2) 188 (1999), 75–103).
G.M. Feldman. On the Skitovich–Darmois theorem on compact groups. Teor. Veroyatn. Primen 41 (4) (1996), 900–906 (Russian), (English transl. Theory Probab. Appl. 41 (4) (1997), 768–773).
H. Carnal, G.M. Feldman. Phase retrieval for probability measures on Abelian groups. Journal of Theoretical Probability 8 (3) (1995), 717–725.
G.M. Feldman. On a characterization theorem for the Cauchy distribution on Abelian groups. Sibirsk. Mat. Zh. 36 (1) (1995), 215–221 (Russian), (English transl. Siberian Mathematical Journal 36 (1995), 196–201).
G.M. Feldman. On the Skitovich–Darmois theorem on Abelian groups. Teor. Veroyatn. Primen 37 (4) (1992), 695–708 (Russian), (English transl. Theory Probab. Appl. 37 (4) (1993), 621–631).
G.M. Feldman. Cauchy distribution on Abelian groups and its characterization. Teor. Veroyatn. Primen 36 (4) (1991), 711–723 (Russian), (English transl. Theory Probab. Appl. 36 (4) (1992), 670–681).
G.M. Feldman. On an analogue for groups of a theorem of A. Ya. Khinchin. In: Analytic Methods in Probability Theory and Operator Theory. Kiev: Naukova Dumka, 1990, pp. 21–25 (Russian).
G.M. Fel’dman. Characterization of the Gaussian distribution on groups by the independence of linear statistics. Sibirsk. Mat. Zh. 31 (2) (1990), 180–190 (Russian), (English transl. Siberian Mathematical Journal 31 (1990), 336–345).
G.M. Fel’dman. Groups admitting a characterization of the Gaussian distribution by the equidistribution of a monomial and linear statistics. Ukrain. Mat. Zh. 42 (1) (1990), 139–142 (Russian), (English transl. Ukrainian Mathematical Journal 42 (1990), 125–128).
G.M. Fel’dman. The Cauchy distribution on Abelian groups and its characterization. Doklady Akademii Nauk SSSR 309 (1) (1989), 46–49 (Russian), (English transl. Soviet Mathematics Doklady 40 (1990), 486–489).
G.M. Fel’dman. Characterizing the Gaussian distribution on groups by the uniform distribution of a monomial and linear statistics. Ukrain. Mat. Zh. 41 (8) (1989), 1112–1118 (Russian), (English transl. Ukrainian Mathematical Journal 41 (8) (1989), 959–963).
G.M. Feldman. Marcinkiewicz and Lukacs theorems on Abelian groups. Teor. Veroyatn. Primen 34 (2) (1989), 330–339; (Russian), (English transl. Theory Probab. Appl. 34 (2) (1990), 290–297).
G.M. Feldman. Characterizing the Gaussian distribution on groups by the uniform distribution of a monomial and linear statistics. Ukrain. Mat. Zh. 41 (8) (1989), 1112–1118 (Russian), (English transl. Ukrainian Mathematical Journal 41 (8) (1989), 959–963).
G.M. Feldman. Gaussian measures in Urbanik's sense and a characterization theorem for Abelian groups. Studia Mathematica 90 (1988), 165–174.
G.M. Feldman. On a characterization of the Gaussian distribution on Abelian groups. Teor. Veroyatn. Primen 32 (3) (1987), 623–626 (Russian), (English transl. Theory Probab. Appl. 32 (3) (1988), 565–569).
G.M. Fel’dman. The Pólya characterization of Gaussian measures on groups. Studia Mathematica 87 (1987), 9–21.
G.M. Feldman. Bernstein Gaussian distributions on groups. Teor. Veroyatn. Primen 31 (1) (1986), 47–58 (Russian), (English transl. Theory Probab. Appl. 31 (1) (1987), 40–49).
G.M. Feldman. On infinitely divisible distributions of the class I₀ on groups. Teor. Veroyatn. Primen. 30 (3) (1985), 449–461 (Russian), (English transl. Theory Probab. Appl. 30 (3) (1986), 475–484).
G.M. Feldman. Generalized Poisson distributions of class I₀ on groups. Teor. Veroyatn. Primen. 29 (2) (1984), 222–233 (Russian), (English transl. Theory Probab. Appl. 29 (2) (1985), 218–230).
G.M. Feldman. Generalized Poisson distributions on groups. Funktsional. Anal. i Prilozhen. 17 (1) (1983), 81–82 (Russian), (English transl. Functional Analysis and Its Applications 17 (1983), 72–74).
G.M. Feldman, A.E. Fryntov. On the decomposition of the convolution of a Gaussian and Poisson distribution on locally compact Abelian groups. Journal of Multivariate Analysis 13 (1) (1983), 148–166.
G.M. Feldman. On Urbanik's characterization of Gaussian measures on locally compact Abelian groups. Studia Mathematica 73 (1982), 81–86.
G.M. Feldman. On a decomposition of generalized Poisson distributions on groups. Teor. Veroyatn. Primen. 27 (4) (1982), 725–738 (Russian), (English transl. Theory Probab. Appl. 27 (4) (1983), 780–794).
G.M. Fel’dman, A.E. Fryntov. Decomposition of the convolution of two Poisson distributions on a locally compact Abelian group. Teor. Veroyatn. Primen. 26 (3) (1981), 612–618 (Russian), (English transl. Theory Probab. Appl. 26 (3) (1982), 601–607).
G.M. Fel’dman, A.E. Fryntov. Expansion of a convolution of Gaussian and Poisson distributions on locally compact Abelian groups. Funktsional. Anal. i Prilozhen. 13 (4) (1979), 93–94 (Russian), (English transl. Functional Analysis and Its Applications 13 (1979), 316–317).
G.M. Fel’dman. Gaussian distributions on locally compact Abelian groups. Teor. Veroyatn. Primen. 23 (3) (1978), 548–563 (Russian), (English transl. Theory Probab. Appl. 23 (3) (1979), 529–542).
G.M. Fel’dman. On generalized Poisson distributions on groups. Zapiski Nauchnykh Seminarov LOMI 72 (1977), 161–185 (Russian), (English transl. Journal of Soviet Mathematics 23 (3) (1984), 2335–2351).
G.M. Fel’dman. On the decomposition of Gaussian distributions on groups. Teor. Veroyatn. Primen. 22 (1) (1977), 136–143 (Russian), (English transl. Theory Probab. Appl. 22 (1) (1977), 133–140).
G.M. Fel’dman. Gaussian distributions on locally compact Abelian groups. Funktsional. Anal. i Prilozhen. 11 (1) (1977), 85–86 (Russian), (English transl. Functional Analysis and Its Applications 11 (1977), 76–78).
G.M. Fel’dman. On generalized Poisson distributions on groups. Teor. Veroyatn. Primen. 20 (3) (1975), 653–656 (Russian), (English transl. Theory Probab. Appl. 20 (3) (1976), 641–644).
G.M. Fel’dman. The spectrum of contractions that depend analytically on a parameter. Uspekhi Matematicheskikh Nauk 29 (6) (1974), 179–180 (Russian).
G.M. Fel’dman. The semisimplicity of an algebra generated by an isometric operator. Funktsional. Anal. i Prilozhen. 8 (2) (1974), 93–94 (Russian), (English transl. Functional Analysis and Its Applications 8 (1974), 182–183.
Yu.I. Lyubich, V.I. Matsaev, G.M. Fel’dman. On representations with a separable spectrum. Funktsional. Anal. i Prilozhen. 7 (2) (1973), 52–61 (Russian), (English transl. Functional Analysis and Its Applications 7 (1973), 129–136).
G.M. Fel’dman. Harmonic analysis of nonunitary representations of locally compact Abelian groups. Teoriya Funktsiĭ, Funktsional'nyi Analiz i Prilozheniya 17 (1973), 169–183 (Russian).
G.M. Fel’dman. On isometric representations of locally compact Abelian groups. Doklady Akademii Nauk SSSR 207 (5) (1972), 1063–1065 (Russian), (English transl. Soviet Mathematics Doklady 13 (1973), 1688–1692).
G.M. Fel’dman. Spectral subspaces of a nonquasianalytic operator. Matematicheskaya Fizika i Funktsionalnyi Analiz 3 (1972), 81–87 (Russian).
G.M. Fel’dman. The property of being a basis of a system of proper subspaces of an isometric representation. Matematicheskaya Fizika i Funktsionalnyi Analiz 3 (1972), 77–88 (Russian).
G.M. Fel’dman. Spectral theory of representations of locally compact Abelian groups. Funktsional. Anal. i Prilozhen. 6 (1) (1972), 89 (Russian), ( English transl. Functional Analysis and Its Applications 6 (1972), 82–83.
Yu.I. Lyubich, V.I. Matsaev, G.M. Fel’dman. On the separability of the spectrum of a representation of a locally compact Abelian group. Doklady Akademii Nauk SSSR 201 (6) (1971), 1282–1284 (Russian), (English transl. Soviet Mathematics Doklady 12 (6) (1971), 1824–1827).
V.E. Katsnel'son, G.M. Fel’dman. Zeros of functions in W+. Teoriya Funktsiĭ, Funktsional'nyi Analiz i Prilozheniya 13 (1971), 108–112 (Russian).
G.M. Fel’dman. Primary ideals of the algebra W+. Teoriya Funktsiĭ, Funktsional'nyi Analiz i Prilozheniya 11 (1970), 108–118 (Russian).