Результати для

Результати для Показ 4151 - 4200 результатів із 311070 Laminas_Feed_Writer 2 (https://getlaminas.org) https://harvester.nas.gov.ua/Search/Results?sort=last_indexed+desc&limit=50&page=84&type=Series&lng=uk 311070 4150 50 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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 Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 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. Стаття 1999 Charin, V. S. 0 The riquier problem for a nonlinear equation unresolved with respect to the Lévy iterated laplacian Tue, 24 Mar 2026 03:02:21 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4627 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4627 Feller, M. N. Стаття 1999 Feller, M. N. 0 Decomposition of systems of quasidifferential equations with rapid and slow variables Tue, 24 Mar 2026 03:02:20 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4625 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4625 Mel'nik, T. A. Стаття 1999 Mel'nik, T. A. 0 A modified projection-iterative method for solution of a singular integral equation with parameters and small nonlinearity Tue, 24 Mar 2026 03:02:20 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4626 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4626 Polishchuk, О. B. Стаття 1999 Polishchuk, О. B. 0 On instability of the equilibrium state of nonholonomic systems Tue, 24 Mar 2026 03:02:19 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4622 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4622 Sosnitskii, S. P. Стаття 1999 Sosnitskii, S. P. 0 On groups factorized by finitely many subgroups Tue, 24 Mar 2026 03:02:19 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4624 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4624 Landolfi, Т. Стаття 1999 Landolfi, Т. 0 Structure of locally graded CDN[)-groups Tue, 24 Mar 2026 03:02:18 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4621 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4621 Semko, N. N. Стаття 1999 Semko, N. N. 0 Interpolation of nonlinear functionals by integral continued fractions Tue, 24 Mar 2026 03:02:17 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4619 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4619 Mykhal'chuk, B. R. Стаття 1999 Mykhal'chuk, B. R. 0 On conditions of technical stability of solutions of a nonlinear boundary-value problem describing processes under parametric excitation in a Hilbert space Tue, 24 Mar 2026 03:02:16 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4618 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4618 Matviichuk, K. S. Стаття 1999 Matviichuk, K. S. 0 Method of successive approximations for abstract volterra equations in a banach space Tue, 24 Mar 2026 03:02:15 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4620 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4620 Mishura, Yu. S. Стаття 1999 Mishura, Yu. S. 0 The correlation matrix of random solutions of a dynamical system with Markov coefficients Tue, 24 Mar 2026 03:02:14 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4617 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4617 Lapshin, A. L. Стаття 1999 Lapshin, A. L. 0 Information aspects in the theory of approximation and recovery of operators Tue, 24 Mar 2026 03:02:11 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4615 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4615 Korneichuk, N. P. Стаття 1999 Korneichuk, N. P. 0 On certain nonlinear pseudoparabolic variational inequalities without initial conditions Tue, 24 Mar 2026 03:02:11 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4616 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4616 Lavrenyuk, S. P. Стаття 1999 Lavrenyuk, S. P. 0 To problems with continual derivative in boundary conditions for a parabolic equation Tue, 24 Mar 2026 03:02:10 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4614 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4614 Kerefov, A. A. Стаття 1999 Kerefov, A. A. 0 A linear periodic boundary-value problem for a second-order hyperbolic equation Tue, 24 Mar 2026 03:02:08 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4611 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4611 Khoma, N. H. Стаття 1999 Khoma, N. H. 0 On Chernikovp-groups Tue, 24 Mar 2026 03:02:08 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4613 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4613 Gudivok, P. M. Стаття 1999 Gudivok, P. M. 0 A resonance case of the existence of solutions of a quasilinear second-order differential system, which are represented by Fourier series with slowly varying parameters Tue, 24 Mar 2026 03:02:07 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4612 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4612 Shchegolev, S. A. Стаття 1999 Shchegolev, S. A. 0 On continuous dependence of solutions of linear differential equations on a parameter in a Banach space Tue, 24 Mar 2026 03:02:05 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4610 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4610 Nguen, Tkhe Khoan Стаття 1999 Nguen, Tkhe Khoan 0 Representations of the additive group of a nuclear space in terms of self-adjoint operators Tue, 24 Mar 2026 03:02:04 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4609 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4609 Lopotko, O. V. Стаття 1999 Lopotko, O. V. 0 On the approximation of functions from Weyl-Nagy classes by Zygmund sums in the $L_q$ metric Tue, 24 Mar 2026 03:02:03 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4608 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4608 Kostich, M. V. Стаття 1999 Kostich, M. V. 0 On some integral equations with the generalized Legendre function Tue, 24 Mar 2026 03:02:02 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4607 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4607 Virchenko, N. A. Стаття 1999 Virchenko, N. A. 0 Imbedding of the images of operators and reflexivity of Banach spaces Tue, 24 Mar 2026 03:02:01 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4606 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4606 Vershinin, R. V. Стаття 1999 Vershinin, R. V. 0