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Results for Showing 3501 - 3550 results of 310907 Laminas_Feed_Writer 2 (https://getlaminas.org) https://harvester.nas.gov.ua/Search/Results?sort=last_indexed+desc&limit=50&page=71&type=Subject&lng=en 310907 3500 50 Existence and stability of periodic solutions for chains of connected oscillators Tue, 24 Mar 2026 03:10:24 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5085 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5085 Maistrenko, Yu. L. Article 1997 Maistrenko, Yu. L. 0 Approximation of certain classes of differentiable functions by generalized splines Tue, 24 Mar 2026 03:10:24 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5086 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5086 Polyakov, O. V. Article 1997 Polyakov, O. V. 0 Finite groups with complementable maximal primary cyclic subgroups Tue, 24 Mar 2026 03:10:23 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5082 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5082 Mel'nik, I. I. Article 1997 Mel'nik, I. I. 0 On one generalization of the averaging method Tue, 24 Mar 2026 03:10:19 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5080 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5080 Valeyev, K. G. Article 1997 Valeyev, K. G. 0 Degenerate orbits of adjoint representation of orthogonal and unitary groups regarded as algebraic submanifolds Tue, 24 Mar 2026 03:10:18 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5079 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5079 Boyars'kyi, O. M. Article 1997 Boyars'kyi, O. M. 0 Probability for a Wiener process to reside in tube domains for a long period of time Tue, 24 Mar 2026 03:10:18 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5081 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5081 Gasanenko, V. A. Article 1997 Gasanenko, V. A. 0 On one problem of minimization of area Tue, 24 Mar 2026 03:10:18 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5083 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5083 Ligun, A. A. Article 1997 Ligun, A. A. 0 Functional law of the iterated logarithm for fields and its applications Tue, 24 Mar 2026 03:10:16 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5078 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5078 Bondarev, B. V. Article 1997 Bondarev, B. V. 0 A criterion of diagonalizability of a pair of matrices over the ring of principal ideals by common row and separate column transformations Tue, 24 Mar 2026 03:10:13 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5074 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5074 Petrichkovich, V. M. Article 1997 Petrichkovich, V. M. 0 A remark on quasianalytic vectors for a pair of anticommuting operators Tue, 24 Mar 2026 03:10:13 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5077 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5077 Tishchenko, S. V. Article 1997 Tishchenko, S. V. 0 On the existence and uniqueness of a solution of a linear stochastic differential equation with respect to a logarithmic process Tue, 24 Mar 2026 03:10:12 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5075 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5075 Pilipenko, A. Yu. Article 1997 Pilipenko, A. Yu. 0 On the application of Ateb-functions to the construction of a solution of a nonlinear Klein-Gordon equation Tue, 24 Mar 2026 03:10:12 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5076 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5076 Sokil, B. I. Article 1997 Sokil, B. I. 0 Congruences and quasiidentities on unars Tue, 24 Mar 2026 03:10:10 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5072 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5072 Kurinnyi, G. Ch. Article 1997 Kurinnyi, G. Ch. 0 Stable difference scheme for a nonlinear Klein-Gordon equation Tue, 24 Mar 2026 03:10:10 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5073 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5073 Nizhnik, L. P. Article 1997 Nizhnik, L. P. 0 On ascending and subnormal subgroups of infinite factorized groups Tue, 24 Mar 2026 03:10:09 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5070 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5070 De, Glovanni F. Article 1997 De, Glovanni F. 0 Construction of nonnilpotent biprimary dispersible groups with metacyclic subgroups of nonprimary index Tue, 24 Mar 2026 03:10:09 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5071 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5071 Zuzuk, L. I. Article 1997 Zuzuk, L. I. 0 Conditions of nonoscillation of binomial systems of differential equations Tue, 24 Mar 2026 03:10:08 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5069 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5069 Bugir, M. K. Article 1997 Bugir, M. K. 0 Application of one constructive method for the construction of non-Lie solutions of nonlinear evolution equations Tue, 24 Mar 2026 03:10:07 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5066 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5066 Cherniga, R. M. Article 1997 Cherniga, R. M. 0 The existence of a bifurcation value of a parameter of a system of differential equations with deviating argument Tue, 24 Mar 2026 03:10:05 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5064 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5064 Nasykhova, L. V. Article 1997 Nasykhova, L. V. 0 Conditional symmetry of the Navier-Stokes equations Tue, 24 Mar 2026 03:10:05 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5065 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5065 Serov, N. I. Article 1997 Serov, N. I. 0 On the optimal renewal of bilinear functionals in linear Normed spaces Tue, 24 Mar 2026 03:10:05 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5067 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5067 Babenko, V. F. Article 1997 Babenko, V. F. 0 Boundary-value problems for systems of difference equations Tue, 24 Mar 2026 03:10:05 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5068 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5068 Boichuk, О. A. Article 1997 Boichuk, О. A. 0 Structure of locally graded nonnilpotent CDN[]-groups Tue, 24 Mar 2026 03:10:04 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5063 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5063 Semko, N. N. Article 1997 Semko, N. N. 0 Construction of approximations for a stationary solution of a system of singular ordinary differential equations Tue, 24 Mar 2026 03:10:03 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5061 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5061 Romanyshyn, I. M. Article 1997 Romanyshyn, I. M. 0 Spectral problems for canonical systems of finite-difference equations on an axis Tue, 24 Mar 2026 03:10:02 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5062 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5062 Sakhnovich, L. A. Article 1997 Sakhnovich, L. A. 0 On the best approximations and rate of convergence of decompositions in the root vectors of an operator Tue, 24 Mar 2026 03:10:00 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5060 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5060 Radzievskii, G. V. Article 1997 Radzievskii, G. V. 0 Approximation of classes of convolutions by linear methods of summation of Fourier series Tue, 24 Mar 2026 03:09:58 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5059 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5059 Bushev, D. M. Article 1997 Bushev, D. M. 0 Wilhelm Illich Fushchich Tue, 24 Mar 2026 03:09:55 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5058 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5058 EditorialBoard Article 1997 EditorialBoard 0 Analytic representation of periodic solutions of linear differential systems Tue, 24 Mar 2026 03:09:53 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5057 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5057 Kenzhebaev, K. K. Article 1997 Kenzhebaev, K. K. 0 An example of a complete orthonormal system in a Hilbert space of generalized functions Tue, 24 Mar 2026 03:09:52 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5055 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5055 Gladkivs’ka, O. V. Article 1997 Gladkivs’ka, O. V. 0 Periodic groups are not *-wild Tue, 24 Mar 2026 03:09:52 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5056 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5056 Kalutskii, S. A. Article 1997 Kalutskii, S. A. 0 Equilibrium in quantum systems of particles with magnetic interaction. Fermi and bose statistics Tue, 24 Mar 2026 03:09:51 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5050 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5050 Skrypnik, W. I. Article 1997 Skrypnik, W. I. 0 On the order of local approximation of functions by trigonometric polynomials that are partial sums of averaging operators Tue, 24 Mar 2026 03:09:51 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5052 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5052 Sukhorolskyi, M. A. Article 1997 Sukhorolskyi, M. A. 0 Existence, uniqueness, and dependence on a parameter of solutions of differential-functional equations with ordinary and partial derivatives Tue, 24 Mar 2026 03:09:51 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5053 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5053 Bigun, Ya. I. Article 1997 Bigun, Ya. I. 0 Critical cases of stability of one nonautonomous essentially nonlinear equation of the nth order Tue, 24 Mar 2026 03:09:51 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5054 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5054 Vitrychenko, I. E. Article 1997 Vitrychenko, I. E. 0 On the Lie algebra structures connected with Hamiltonian dynamical systems Tue, 24 Mar 2026 03:09:50 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5051 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5051 Smirnov, R. G. Article 1997 Smirnov, R. G. 0 On infinite groups whose noncyclic norm has a finite index Tue, 24 Mar 2026 03:09:49 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5048 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5048 Liman, F. N. Article 1997 Liman, F. N. 0 Estimate of an error of the averaging method on a semiaxis for a multifrequency resonance system Tue, 24 Mar 2026 03:09:48 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5049 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5049 Petryshyn, R. I. Article 1997 Petryshyn, R. I. 0 Carleman problem for two pairs of functions in a ring Tue, 24 Mar 2026 03:09:47 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5046 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5046 Khachaturov, S. Yu. Article 1997 Khachaturov, S. Yu. 0 On asymptotic decompositions of o-solutions in the theory of quasilinear systems of difference equations Tue, 24 Mar 2026 03:09:46 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5047 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5047 Kostin, A. V. Article 1997 Kostin, A. V. 0 Small deviations of solutions of stochastic differential equations in tube domains Tue, 24 Mar 2026 03:09:45 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5044 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5044 Gasanenko, V. A. Article 1997 Gasanenko, V. A. 0 Topologically free subsets of universal algebras Tue, 24 Mar 2026 03:09:45 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5045 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5045 Zelenyuk, E. G. Article 1997 Zelenyuk, E. G. 0 On additive inequalities for intermediate derivatives of functions given on a finite interval Tue, 24 Mar 2026 03:09:43 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5042 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5042 Babenko, V. F. Article 1997 Babenko, V. F. 0 Convergence rates and finite-dimensional approximation for a class of ill-posed variational inequalities Tue, 24 Mar 2026 03:09:42 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5043 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5043 Nguen, Byong Article 1997 Nguen, Byong 0 Ukrainian school-seminar "Nonlinear boundary value problems of mathematical physics and applications" Tue, 24 Mar 2026 03:09:40 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5041 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5041 Berezovsky, A. A. Article 1997 Berezovsky, A. A. 0 Approximation of the classes $C_{β}^{ψ} H_{ω}$ by generalized de la Valiée-Poussin sums Tue, 24 Mar 2026 03:09:39 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5039 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5039 Novikov, O. A. Article 1997 Novikov, O. A. 0 Periodic solutions of a weakly nonlinear system of partial differential equations with pulse influence Tue, 24 Mar 2026 03:09:38 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5038 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5038 Perestyuk, N. A. Article 1997 Perestyuk, N. A. 0 International Conference “INAMTAP’96 (Computer Science, Computational and Applied Mathematics: Theory, Application, and Prospects)” Tue, 24 Mar 2026 03:09:37 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5040 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5040 Lukovsky, I. O. Article 1997 Lukovsky, I. O. 0 On a representation of smooth invariants of Coxeter groups in terms of anisotropic spaces Tue, 24 Mar 2026 03:09:35 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5037 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5037 Gokhman, A. O. Article 1997 Gokhman, A. O. 0 Ideals and free Pairs in the semigroup β ℤ Tue, 24 Mar 2026 03:09:34 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5033 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5033 Protasov, I. V. Article 1997 Protasov, I. V. 0