Bushev, D. N.; Stepanets, A. I. Approximation of weakly differentiable periodic functions. (English. Russian original) Zbl 0755.42002 Ukr. Math. J. 42, No. 3, 361-366 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 406-412 (1990). Reviewer: R.Gajewski (Poznań) MSC: 42A10 PDFBibTeX XMLCite \textit{D. N. Bushev} and \textit{A. I. Stepanets}, Ukr. Math. J. 42, No. 3, 361--366 (1990; Zbl 0755.42002); translation from Ukr. Mat. Zh. 42, No. 3, 406--412 (1990) Full Text: DOI
Skaskiv, O. B.; Sorokivskij, V. M. Growth of horizontal rays of analytic functions represented by Dirichlet series. (English. Russian original) Zbl 0896.30003 Ukr. Math. J. 42, No. 3, 323-330 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 363-371 (1990). Reviewer: Jiarong Yu MSC: 30B50 30D15 PDFBibTeX XMLCite \textit{O. B. Skaskiv} and \textit{V. M. Sorokivskij}, Ukr. Math. J. 42, No. 3, 323--330 (1990; Zbl 0896.30003); translation from Ukr. Mat. Zh. 42, No. 3, 363--371 (1990) Full Text: DOI
Lukovskij, I. A.; Timokha, A. N. Self-adjointness of a certain integrodifferential operator. (English. Russian original) Zbl 0729.47047 Ukr. Math. J. 42, No. 3, 375-376 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 421-423 (1990). MSC: 47G20 47B25 PDFBibTeX XMLCite \textit{I. A. Lukovskij} and \textit{A. N. Timokha}, Ukr. Math. J. 42, No. 3, 375--376 (1990; Zbl 0729.47047); translation from Ukr. Mat. Zh. 42, No. 3, 421--423 (1990) Full Text: DOI
Panasyuk, S. P. Metrizability in a space of subgroups of a Lie group. (English. Russian original) Zbl 0721.22003 Ukr. Math. J. 42, No. 3, 313-316 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 351-355 (1990). Reviewer: A.K.Guts (Omsk) MSC: 22E15 20E15 54E35 22A05 PDFBibTeX XMLCite \textit{S. P. Panasyuk}, Ukr. Math. J. 42, No. 3, 313--316 (1990; Zbl 0721.22003); translation from Ukr. Mat. Zh. 42, No. 3, 351--355 (1990) Full Text: DOI
Kreĭn, S. G.; Utochkina, E. O. An implicit canonical equation in Hilbert space. (English. Russian original) Zbl 0718.34088 Ukr. Math. J. 42, No. 3, 345-347 (1990). MSC: 34G10 34C20 PDFBibTeX XMLCite \textit{S. G. Kreĭn} and \textit{E. O. Utochkina}, Ukr. Math. J. 42, No. 3, 345--347 (1990; Zbl 0718.34088) Full Text: DOI
Safonov, V. F. Analyticity with respect to a parameter of regular solutions of weakly nonlinear singularly perturbed problems. (English. Russian original) Zbl 0718.34008 Ukr. Math. J. 42, No. 3, 350-354 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 393-398 (1990). MSC: 34A25 34E15 34E20 PDFBibTeX XMLCite \textit{V. F. Safonov}, Ukr. Math. J. 42, No. 3, 350--354 (1990; Zbl 0718.34008); translation from Ukr. Mat. Zh. 42, No. 3, 393--398 (1990) Full Text: DOI
Nguen Van Min’ Topological classification of nonhomogeneous differential equations. (English. Russian original) Zbl 0718.34007 Ukr. Math. J. 42, No. 3, 377-379 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 423-426 (1990). MSC: 34A25 PDFBibTeX XMLCite \textit{Nguen Van Min'}, Ukr. Math. J. 42, No. 3, 377--379 (1990; Zbl 0718.34007); translation from Ukr. Mat. Zh. 42, No. 3, 423--426 (1990) Full Text: DOI
Mitropol’skij, Yu. A. The ideas of Krylov and Bogolyubov in the theory of differential equations and mathematical physics and their development. (English. Russian original) Zbl 0718.34001 Ukr. Math. J. 42, No. 3, 259-269 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 291-302 (1990). MSC: 34-03 34A99 01A60 PDFBibTeX XMLCite \textit{Yu. A. Mitropol'skij}, Ukr. Math. J. 42, No. 3, 259--269 (1990; Zbl 0718.34001); translation from Ukr. Mat. Zh. 42, No. 3, 291--302 (1990) Full Text: DOI
Do Kong Khan’ Factorization of transfer functions. I. \((+)\) regular factorization. (English. Russian original) Zbl 0715.47011 Ukr. Math. J. 42, No. 3, 279-282 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 312-317 (1990). Reviewer: P.C.Sinha MSC: 47A68 PDFBibTeX XMLCite \textit{Do Kong Khan'}, Ukr. Math. J. 42, No. 3, 279--282 (1990; Zbl 0715.47011); translation from Ukr. Mat. Zh. 42, No. 3, 312--317 (1990) Full Text: DOI
Kabal’skij, M. M. Inverse problem of the calculus of variation, its application to integration of an ordinary non-linear second order differential equation. (English. Russian original) Zbl 0714.49042 Ukr. Math. J. 42, No. 3, 367-371 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 413-418 (1990). MSC: 49N45 34A25 PDFBibTeX XMLCite \textit{M. M. Kabal'skij}, Ukr. Math. J. 42, No. 3, 367--371 (1990; Zbl 0714.49042); translation from Ukr. Mat. Zh. 42, No. 3, 413--418 (1990) Full Text: DOI
Sokolovskij, V. B. Infinite-dimensional equations with the Lévy Laplacian and some variational problems. (English. Russian original) Zbl 0714.49004 Ukr. Math. J. 42, No. 3, 354-356 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 398-401 (1990). MSC: 49J27 35J20 PDFBibTeX XMLCite \textit{V. B. Sokolovskij}, Ukr. Math. J. 42, No. 3, 354--356 (1990; Zbl 0714.49004); translation from Ukr. Mat. Zh. 42, No. 3, 398--401 (1990) Full Text: DOI
Atamas’, V. V. Groups in which all not completely factorable subgroups have a primary supplement. (English. Russian original) Zbl 0712.20023 Ukr. Math. J. 42, No. 3, 269-273 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 302-308 (1990). MSC: 20F50 20D40 20E15 PDFBibTeX XMLCite \textit{V. V. Atamas'}, Ukr. Math. J. 42, No. 3, 269--273 (1990; Zbl 0712.20023); translation from Ukr. Mat. Zh. 42, No. 3, 302--308 (1990) Full Text: DOI
Kozachenko, M. Yu. Mixed products of multiplicative systems without discontinuities of the second kind. (English. Russian original) Zbl 0711.60062 Ukr. Math. J. 42, No. 3, 296-302 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 332-340 (1990). Reviewer: I.Krivy MSC: 60H99 PDFBibTeX XMLCite \textit{M. Yu. Kozachenko}, Ukr. Math. J. 42, No. 3, 296--302 (1990; Zbl 0711.60062); translation from Ukr. Mat. Zh. 42, No. 3, 332--340 (1990) Full Text: DOI
Sakhnovich, A. L. Nonlinear Schrödinger equation on a semi-axis and an inverse problem associated with it. (English. Russian original) Zbl 0711.35132 Ukr. Math. J. 42, No. 3, 316-323 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 356-363 (1990). Reviewer: P.Szilagyi MSC: 35Q55 35K60 35R30 PDFBibTeX XMLCite \textit{A. L. Sakhnovich}, Ukr. Math. J. 42, No. 3, 316--323 (1990; Zbl 0711.35132); translation from Ukr. Mat. Zh. 42, No. 3, 356--363 (1990) Full Text: DOI
Mityuk, I. P. A lower estimate of the sum of the capacities of condensers. (English. Russian original) Zbl 0707.31003 Ukr. Math. J. 42, No. 3, 347-349 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 390-393 (1990). Reviewer: V.Ionescu MSC: 31A15 PDFBibTeX XMLCite \textit{I. P. Mityuk}, Ukr. Math. J. 42, No. 3, 347--349 (1990; Zbl 0707.31003); translation from Ukr. Mat. Zh. 42, No. 3, 390--393 (1990) Full Text: DOI
Babikov, G. V. Linear programming over ordered bodies. (English. Russian original) Zbl 0706.90044 Ukr. Math. J. 42, No. 3, 274-278 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 308-312 (1990). MSC: 90C05 49N15 15A39 90C48 PDFBibTeX XMLCite \textit{G. V. Babikov}, Ukr. Math. J. 42, No. 3, 274--278 (1990; Zbl 0706.90044); translation from Ukr. Mat. Zh. 42, No. 3, 308--312 (1990) Full Text: DOI
Parasyuk, I. O. Coisotropic invariant tori of Hamiltonian systems of the quasiclassical theory of motion of a conduction electron. (English. Russian original) Zbl 0706.58062 Ukr. Math. J. 42, No. 3, 308-312 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 346-351 (1990). MSC: 37C80 37J99 78A25 PDFBibTeX XMLCite \textit{I. O. Parasyuk}, Ukr. Math. J. 42, No. 3, 308--312 (1990; Zbl 0706.58062); translation from Ukr. Mat. Zh. 42, No. 3, 346--351 (1990) Full Text: DOI
Trofimchuk, E. P.; Trofimchuk, S. I. Impulse systems with fixed moments of shocks of general position: the structure of the set of shock moments. (English. Russian original) Zbl 0706.34011 Ukr. Math. J. 42, No. 3, 336-341 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 378-383 (1990). Reviewer: Pavel Talpalaru (Iaşi) MSC: 34A37 PDFBibTeX XMLCite \textit{E. P. Trofimchuk} and \textit{S. I. Trofimchuk}, Ukr. Math. J. 42, No. 3, 336--341 (1990; Zbl 0706.34011); translation from Ukr. Mat. Zh. 42, No. 3, 378--383 (1990) Full Text: DOI
Zorij, N. V. Extremal lengths and Green capacities of condensers. (English. Russian original) Zbl 0706.31007 Ukr. Math. J. 42, No. 3, 283-288 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 317-323 (1990). Reviewer: V.Ionescu MSC: 31B15 PDFBibTeX XMLCite \textit{N. V. Zorij}, Ukr. Math. J. 42, No. 3, 283--288 (1990; Zbl 0706.31007); translation from Ukr. Mat. Zh. 42, No. 3, 317--323 (1990) Full Text: DOI
Kurdachenko, L. A. Locally nilpotent groups with the min-\(\infty\)-n condition. (English. Russian original) Zbl 0706.20023 Ukr. Math. J. 42, No. 3, 303-307 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 340-346 (1990). MSC: 20E15 20E25 20F19 20F18 PDFBibTeX XMLCite \textit{L. A. Kurdachenko}, Ukr. Math. J. 42, No. 3, 303--307 (1990; Zbl 0706.20023); translation from Ukr. Mat. Zh. 42, No. 3, 340--346 (1990) Full Text: DOI
Chernov, V. G. A certain functional algebra. (English. Russian original) Zbl 0705.46003 Ukr. Math. J. 42, No. 3, 331-336 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 372-377 (1990). Reviewer: A.L.Dawidowicz MSC: 46A45 43A20 PDFBibTeX XMLCite \textit{V. G. Chernov}, Ukr. Math. J. 42, No. 3, 331--336 (1990; Zbl 0705.46003); translation from Ukr. Mat. Zh. 42, No. 3, 372--377 (1990) Full Text: DOI
Teplinskij, Yu. V.; Avdeyuk, P. I. Exponential stability of an invariant torus of a nonlinear countable system of differential equations. (English. Russian original) Zbl 0705.34057 Ukr. Math. J. 42, No. 3, 357-360 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 401-405 (1990). Reviewer: Chungyon He MSC: 34D05 PDFBibTeX XMLCite \textit{Yu. V. Teplinskij} and \textit{P. I. Avdeyuk}, Ukr. Math. J. 42, No. 3, 357--360 (1990; Zbl 0705.34057); translation from Ukr. Mat. Zh. 42, No. 3, 401--405 (1990) Full Text: DOI
Ustimenko, V. A. A linear interpretation of the flag geometries of Chevalley groups. (English. Russian original) Zbl 0704.51004 Ukr. Math. J. 42, No. 3, 341-344 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 383-387 (1990). Reviewer: J.Libicher MSC: 51D20 20G15 05B25 51E30 PDFBibTeX XMLCite \textit{V. A. Ustimenko}, Ukr. Math. J. 42, No. 3, 341--344 (1990; Zbl 0704.51004); translation from Ukr. Mat. Zh. 42, No. 3, 383--387 (1990) Full Text: DOI
Ibragimov, G. I. Bases of exponentials in spaces \(E^ p(D^ n)\) on a polyhedron and representation of functions of that space in form of a sum of periodic ones. (English. Russian original) Zbl 0704.32004 Ukr. Math. J. 42, No. 3, 289-296 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 324-332 (1990). Reviewer: M.Klimek MSC: 32A37 PDFBibTeX XMLCite \textit{G. I. Ibragimov}, Ukr. Math. J. 42, No. 3, 289--296 (1990; Zbl 0704.32004); translation from Ukr. Mat. Zh. 42, No. 3, 324--332 (1990) Full Text: DOI
Podkolzin, G. B. Infinitesimal algebras for the hypercomplex system SO(4)//SO(2). (English. Russian original) Zbl 0703.22019 Ukr. Math. J. 42, No. 3, 380-382 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 427-429 (1990). Reviewer: B.Basit MSC: 22E70 17B15 43A99 17B35 PDFBibTeX XMLCite \textit{G. B. Podkolzin}, Ukr. Math. J. 42, No. 3, 380--382 (1990; Zbl 0703.22019); translation from Ukr. Mat. Zh. 42, No. 3, 427--429 (1990) Full Text: DOI
Kosman, E. G. Isomorphisms of Sylow p-subgroups of the bounded linear group. II: Main theorem. (English. Russian original) Zbl 0703.20044 Ukr. Math. J. 42, No. 3, 372-374 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 418-421 (1990). Reviewer: A.E.Zalesskij MSC: 20G40 20E07 20E36 20F05 PDFBibTeX XMLCite \textit{E. G. Kosman}, Ukr. Math. J. 42, No. 3, 372--374 (1990; Zbl 0703.20044); translation from Ukr. Mat. Zh. 42, No. 3, 418--421 (1990) Full Text: DOI