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Results for Showing 4001 - 4050 results of 310972 Laminas_Feed_Writer 2 (https://getlaminas.org) https://harvester.nas.gov.ua/Search/Results?sort=last_indexed+desc&limit=50&page=81&type=Series&lng=en 310972 4000 50 On the almost-everywhere convergence of the Riesz means of double orthogonal series Tue, 24 Mar 2026 03:03:15 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4676 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4676 Andrienko, V. A. Article 1999 Andrienko, V. A. 0 Asymptotics of solutions of discontinuous singularly perturbed boundary-value problems Tue, 24 Mar 2026 03:03:13 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4675 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4675 Mel'nik, T. A. Article 1999 Mel'nik, T. A. 0 On the instability of one nonautonomous essentially nonlinear equation of thenth order Tue, 24 Mar 2026 03:03:12 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4670 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4670 Vitrychenko, I. E. Article 1999 Vitrychenko, I. E. 0 Integrability of Riccati equations and stationary Korteweg-de vries equations Tue, 24 Mar 2026 03:03:12 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4674 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4674 Zhdanov, R. Z. Article 1999 Zhdanov, R. Z. 0 Dynamics of solutions of the simplest nonlinear boundary-value problems Tue, 24 Mar 2026 03:03:11 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4668 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4668 Romanenko, O. Yu. Article 1999 Romanenko, O. Yu. 0 On periodic solutions of the equation of a nonlinear oscillator with pulse influence Tue, 24 Mar 2026 03:03:11 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4669 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4669 Samoilenko, A. M. Article 1999 Samoilenko, A. M. 0 On the Chernikova theorem on well-factorizable groups Tue, 24 Mar 2026 03:03:11 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4673 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4673 Dovzhenko, S. A. Article 1999 Dovzhenko, S. A. 0 On certain exact relations for sojourn probabilities of a wiener process Tue, 24 Mar 2026 03:03:10 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4671 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4671 Gasanenko, V. A. Article 1999 Gasanenko, V. A. 0 Limit behavior of the distribution of the ruin moment of a modified risk process Tue, 24 Mar 2026 03:03:10 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4672 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4672 Gusak, D. V. Article 1999 Gusak, D. V. 0 Optimal stopping times for solutions of nonlinear stochastic differential equations and their application to one problem of financial mathematics Tue, 24 Mar 2026 03:03:09 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4667 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4667 Mishura, Yu. S. Article 1999 Mishura, Yu. S. 0 Stability analysis of linear impulsive differential systems under structural perturbation Tue, 24 Mar 2026 03:03:07 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4665 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4665 Martynyuk, A. A. Article 1999 Martynyuk, A. A. 0 On deviations and defects of meromorphic functions of finite lower order Tue, 24 Mar 2026 03:03:07 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4666 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4666 Marchenko, I. I. Article 1999 Marchenko, I. I. 0 Variational method for the solution of problems of transmission with the principal conjugation condition Tue, 24 Mar 2026 03:03:02 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4663 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4663 Komarenko, A. N. Article 1999 Komarenko, A. N. 0 Equations for second moments of solutions of a system of linear differential equations with random semi-Markov coefficients and random input Tue, 24 Mar 2026 03:03:01 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4664 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4664 Lapshin, A. L. Article 1999 Lapshin, A. L. 0 On the renewal of a Wiener field on a plane with the use of its values on closed curves Tue, 24 Mar 2026 03:02:59 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4661 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4661 Zemlyak, Т. V. Article 1999 Zemlyak, Т. V. 0 Estimates for the modulus of a Cauchy-type integral and its derivatives Tue, 24 Mar 2026 03:02:58 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4660 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4660 Gerus, O. F. Article 1999 Gerus, O. F. 0 Nonsymmetric problem of divisors in an arithmetic progression Tue, 24 Mar 2026 03:02:58 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4662 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4662 Koverdyuk, І. V. Article 1999 Koverdyuk, І. V. 0 Several statements for convex functions Tue, 24 Mar 2026 03:02:56 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4654 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4654 Stepanets, O. I. Article 1999 Stepanets, O. I. 0 Projection methods for the solution of Fredholm integral equations of the first kind with $(ϕ, β)$-differentiable kernels and random errors Tue, 24 Mar 2026 03:02:56 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4657 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4657 Pereverzeva, G. A. Article 1999 Pereverzeva, G. A. 0 Some problems in the theory of nonoverlapping domains Tue, 24 Mar 2026 03:02:56 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4659 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4659 Bakhtin, A. K. Article 1999 Bakhtin, A. K. 0 On the analyticity of the Fourier original and Fourier transform inside alternate angles Tue, 24 Mar 2026 03:02:55 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4655 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4655 Cherskii, Yu. I. Article 1999 Cherskii, Yu. I. 0 On the structure of incoming and outgoing subspaces for a wave equations in $ℝ^n$ Tue, 24 Mar 2026 03:02:55 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4656 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4656 Kuzhel', S. A. Article 1999 Kuzhel', S. A. 0 Kato inequality for operators with infinitely many separated variables Tue, 24 Mar 2026 03:02:55 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4658 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4658 Samoilenko, V. G. Article 1999 Samoilenko, V. G. 0 Widths and best approximations for classes of convolutions of periodic functions Tue, 24 Mar 2026 03:02:54 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4653 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4653 Serdyuk, A. S. Article 1999 Serdyuk, A. S. 0 Weighted approximation in mean of classes of analytic functions by algebraic polynomials and finite-dimensional subspaces Tue, 24 Mar 2026 03:02:53 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4651 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4651 Romanyuk, V. S. Article 1999 Romanyuk, V. S. 0 The theory of the numerical-analytic method: Achievements and new trends of development. V Tue, 24 Mar 2026 03:02:52 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4652 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4652 Ronto, M. I. Article 1999 Ronto, M. I. 0 On the sum of an almost abelian Lie algebra and a Lie algebra finite-dimensional over its center Tue, 24 Mar 2026 03:02:51 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4650 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4650 Petravchuk, A. P. Article 1999 Petravchuk, A. P. 0 Stochastic dynamics as a limit of Hamiltonian dynamics of hard spheres Tue, 24 Mar 2026 03:02:49 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4649 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4649 Lampis, M. Article 1999 Lampis, M. 0 Approximation of fractional-order integrals by algebraic polynomials. I Tue, 24 Mar 2026 03:02:46 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4648 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4648 Motornyi, V. P. Article 1999 Motornyi, V. P. 0 On the absolute convergence of power series Tue, 24 Mar 2026 03:02:45 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4647 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4647 Hembars'ka, S. B. Article 1999 Hembars'ka, S. B. 0 Vladislav Kirillovich Dzyadyk (on his 80-th birthday) Tue, 24 Mar 2026 03:02:44 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4645 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4645 EditorialBoard Article 1999 EditorialBoard 0 A new method for the construction of solutions of nonlinear wave equations Tue, 24 Mar 2026 03:02:43 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4646 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4646 Barannyk, A. F. Article 1999 Barannyk, A. F. 0 50 Years of “Ukrainskii Matematicheskii Zhurnal” Tue, 24 Mar 2026 03:02:40 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4644 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4644 Mitropolskiy, Yu. A. Article 1999 Mitropolskiy, Yu. A. 0 $T_0$-group and its place in the theory of groups Tue, 24 Mar 2026 03:02:39 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4643 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4643 Shunkov, V. P. Article 1999 Shunkov, V. P. 0 A functional limit theorem of the type of the law of large numbers for random reliefs Tue, 24 Mar 2026 03:02:38 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4638 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4638 Yurachkovskii, A. P. Article 1999 Yurachkovskii, A. P. 0 Isomorphisms of combinatorial block decompositions of three-dimensional manifolds Tue, 24 Mar 2026 03:02:38 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4642 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4642 Prishlyak, O. O. Article 1999 Prishlyak, O. O. 0 Limit theorems in the theory of multipoint boundary-value problems Tue, 24 Mar 2026 03:02:37 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4636 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4636 Nedokis, V. A. Article 1999 Nedokis, V. A. 0 Optimization of a system of linear differential equations with random coefficients Tue, 24 Mar 2026 03:02:37 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4640 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4640 Valeyev, K. G. Article 1999 Valeyev, K. G. 0 Conditions for one-valued solvability of nonlinear stationary heat-conduction problems Tue, 24 Mar 2026 03:02:37 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4641 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4641 Zhernovoi, Yu. V. Article 1999 Zhernovoi, Yu. V. 0 Approximate properties of the Zygmund method Tue, 24 Mar 2026 03:02:36 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4635 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4635 Stepanets, O. I. Article 1999 Stepanets, O. I. 0 Two theorems in the theory of summation of numerical series by lower triangular positive monotone matrices Tue, 24 Mar 2026 03:02:36 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4639 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4639 Davydov, N. A. Article 1999 Davydov, N. A. 0 Optimal control over nonlinear stochastic systems Tue, 24 Mar 2026 03:02:35 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4637 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4637 Trigub, M. V. Article 1999 Trigub, M. V. 0 Sufficient conditions for the almost layer finiteness of groups Tue, 24 Mar 2026 03:02:34 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4633 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4633 Senashov, V. I. Article 1999 Senashov, V. I. 0 On the existence and uniqueness of a solution of the problem of uniform SK-spline-interpolation Tue, 24 Mar 2026 03:02:34 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4634 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4634 Serdyuk, A. S. Article 1999 Serdyuk, A. S. 0 Discrete dynamical systems with invariant asymptotically stable toroidal manifold Tue, 24 Mar 2026 03:02:29 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4632 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4632 Samoilenko, A. M. Article 1999 Samoilenko, A. M. 0 On a form of the scattering matrix for ρ-perturbations of an abstract wave equations Tue, 24 Mar 2026 03:02:25 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4630 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4630 Kuzhel', S. A. Article 1999 Kuzhel', S. A. 0 On the stability of solutions of a quasilinear uncertain system Tue, 24 Mar 2026 03:02:25 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4631 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4631 Martynyuk-Chernienko, Yu. A. Article 1999 Martynyuk-Chernienko, Yu. A. 0 On the best $L_1$-approximations of functional classes by splines under restrictions imposed on their derivatives Tue, 24 Mar 2026 03:02:23 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4629 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4629 Babenko, V. F. Article 1999 Babenko, V. F. 0 Stability of difference rational systems Tue, 24 Mar 2026 03:02:22 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4628 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4628 Khusainov, D. Ya. Article 1999 Khusainov, D. Ya. 0 On the theory of groups with generalized minimality condition for closed subgroups Tue, 24 Mar 2026 03:02:21 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4623 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4623 Charin, V. S. Article 1999 Charin, V. S. 0