Результати для

Результати для Показ 5151 - 5200 результатів із 352228 Laminas_Feed_Writer 2 (https://getlaminas.org) https://harvester.nas.gov.ua/Search/Results?sort=last_indexed+desc&limit=50&page=104&type=AllFields&lng=uk 352228 5150 50 Properties of the fundamental solutions and uniqueness theorems for the solutions of the Cauchy problem for one class of ultraparabolic equations Tue, 24 Mar 2026 03:05:35 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4800 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4800 Ivasyshen, S. D. Стаття 1998 Ivasyshen, S. D. 0 Groups all proper quotient groups of which possess layer-Chernikov properties Tue, 24 Mar 2026 03:05:35 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4801 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4801 Kalashnikova, N. V. Стаття 1998 Kalashnikova, N. V. 0 On the Levy-Baxter theorems for shot-noise fields. I Tue, 24 Mar 2026 03:05:33 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4798 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4798 Buldygin, V. V. Стаття 1998 Buldygin, V. V. 0 On one proof of the classical solvability of the Hele-Shaw problem with free boundary Tue, 24 Mar 2026 03:05:32 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4797 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4797 Bazalii, B. V. Стаття 1998 Bazalii, B. V. 0 The best $L_1$-approximations of classes of functions defined by differential operators in terms of generalized splines from these classes Tue, 24 Mar 2026 03:05:31 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4796 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4796 Babenko, V. F. Стаття 1998 Babenko, V. F. 0 Uniqueness theorems for multiple lacunary trigonometric series Tue, 24 Mar 2026 03:05:30 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4799 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4799 Volchkov, V. V. Стаття 1998 Volchkov, V. V. 0 Index of volume 50 of „Ukrainian Mathematical Journal" Tue, 24 Mar 2026 03:05:25 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4795 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4795 EditorialBoard Стаття 1998 EditorialBoard 0 Random variables determined by the distributions of their digits in a numeration system with complex base Tue, 24 Mar 2026 03:05:22 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4793 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4793 O., V. Shkol’nyi Стаття 1998 O., V. Shkol’nyi 0 Vladislav Kirillovich Dzyadyk Tue, 24 Mar 2026 03:05:22 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4794 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4794 EditorialBoard Стаття 1998 EditorialBoard 0 Analyticity of a free boundary in one problem of axisymmetric flow Tue, 24 Mar 2026 03:05:20 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4789 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4789 Minenko, A. S. Стаття 1998 Minenko, A. S. 0 Filtration of components of processes of random evolution Tue, 24 Mar 2026 03:05:20 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4790 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4790 Lukin, A. E. Стаття 1998 Lukin, A. E. 0 On samples of independent random vectors in spaces of infinitely increasing dimension Tue, 24 Mar 2026 03:05:20 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4791 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4791 Ruzhilo, M. Ya Стаття 1998 Ruzhilo, M. Ya 0 Solutions of systems of nonlinear difference equations that are continuous and bounded on the entire real axis and their properties Tue, 24 Mar 2026 03:05:19 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4783 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4783 Pelyukh, G. P. Стаття 1998 Pelyukh, G. P. 0 Irresolvable topologies on groups Tue, 24 Mar 2026 03:05:19 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4784 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4784 Protasov, I. V. Стаття 1998 Protasov, I. V. 0 On a criterion of $NP$-completeness Tue, 24 Mar 2026 03:05:19 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4788 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4788 Bulitko, V. V. Стаття 1998 Bulitko, V. V. 0 Criteria for the coincidence of the kernel of a function with the kernels of its Riesz and Abel integral means Tue, 24 Mar 2026 03:05:19 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4792 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4792 Usenko, E. G. Стаття 1998 Usenko, E. G. 0 Linear periodic boundary-value problem for a second-order hyperbolic equation. II. Quasilinear problem Tue, 24 Mar 2026 03:05:18 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4787 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4787 Khoma, N. H. Стаття 1998 Khoma, N. H. 0 The theory of the numerical-analytic method: Achievements and new trends of development. IV Tue, 24 Mar 2026 03:05:16 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4785 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4785 Ronto, M. I. Стаття 1998 Ronto, M. I. 0 Perturbed Lamé equation and the Buslaev phase Tue, 24 Mar 2026 03:05:16 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4786 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4786 Tajima, S. Стаття 1998 Tajima, S. 0 On elements of the Lax-Phillips scattering scheme for $ρ$-perturbations of an abstract wave equation Tue, 24 Mar 2026 03:05:11 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4781 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4781 Kuzhel', S. A. Стаття 1998 Kuzhel', S. A. 0 Strong summability of multiple Fourier series and Sidon-type inequalities Tue, 24 Mar 2026 03:05:11 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4782 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4782 Kuznetsovci, O. I. Стаття 1998 Kuznetsovci, O. I. 0 Generalized and classical almost periodic solutions of Lagrangian systems convex on a compact set Tue, 24 Mar 2026 03:05:09 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4779 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4779 Zakharin, S. F. Стаття 1998 Zakharin, S. F. 0 Random integral manifolds of systems of differential equations with unbounded operator in a Banach space Tue, 24 Mar 2026 03:05:09 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4780 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4780 Kolomiyets, V. G. Стаття 1998 Kolomiyets, V. G. 0 On differentiability of open mappings Tue, 24 Mar 2026 03:05:07 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4778 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4778 Bondar, A. V. Стаття 1998 Bondar, A. V. 0 Index of volume 51 of „Ukrainian Mathematical Journal" Tue, 24 Mar 2026 03:05:05 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4777 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4777 EditorialBoard Стаття 1999 EditorialBoard 0 Essentially unstable solutions of difference equations Tue, 24 Mar 2026 03:05:04 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4770 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4770 Slyusarchuk, V. E. Стаття 1999 Slyusarchuk, V. E. 0 Rate of convergence of a group of deviations on sets of $\bar{\psi}$−integrals Tue, 24 Mar 2026 03:05:04 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4771 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4771 Stepanets, O. I. Стаття 1999 Stepanets, O. I. 0 Technical stability of autonomous control systems with variable structure Tue, 24 Mar 2026 03:05:03 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4769 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4769 Matviichuk, K. S. Стаття 1999 Matviichuk, K. S. 0 Co-adjoint orbits of compact Lie groups and generalized stereographic projection Tue, 24 Mar 2026 03:05:03 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4775 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4775 Skrypnik, T. V. Стаття 1999 Skrypnik, T. V. 0 On the best $m$-term trigonometric and orthogonal trigonometric approximations of functions from the classes $L^{Ψ}_{β,ρ}$ Tue, 24 Mar 2026 03:05:02 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4776 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4776 Fedorenko, A. S. Стаття 1999 Fedorenko, A. S. 0 On the structure of the set of nonwandering points of a pair of coupled quadratic maps Tue, 24 Mar 2026 03:05:01 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4773 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4773 Dobrynskii, V. A. Стаття 1999 Dobrynskii, V. A. 0 On lower bounds for the approximation of individual functions by local splines with nonfixed nodes Tue, 24 Mar 2026 03:05:00 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4767 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4767 Ligun, A. A. Стаття 1999 Ligun, A. A. 0 Investigation of smoothness conditions on the boundary for the strong linear convexity of a domain Tue, 24 Mar 2026 03:05:00 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4774 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4774 Mel’nik, V. L. Стаття 1999 Mel’nik, V. L. 0 Systems of singularly perturbed degenerate integro-differential equations Tue, 24 Mar 2026 03:04:59 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4772 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4772 Zavizion, G. V. Стаття 1999 Zavizion, G. V. 0 Direct methods for the approximate solution of systems of singular integral equations in the case of nonnegative partial indices Tue, 24 Mar 2026 03:04:56 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4768 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4768 Malyshev, К. I. Стаття 1999 Malyshev, К. I. 0 Structure of certain classes of groups with locally cyclic Abelian subgroups Tue, 24 Mar 2026 03:04:55 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4766 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4766 Kuzennyi, N. F. Стаття 1999 Kuzennyi, N. F. 0 A critical case of stability of one quasilinear difference equation of the second order Tue, 24 Mar 2026 03:04:51 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4764 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4764 Vitrychenko, I. E. Стаття 1999 Vitrychenko, I. E. 0 A multipoint problem for partial differential equations unresolved with respect to the higher time derivative Tue, 24 Mar 2026 03:04:51 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4765 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4765 Klyus, I. S. Стаття 1999 Klyus, I. S. 0 Finite-dimensional approximations of diffusion measures in a Hilbert space Tue, 24 Mar 2026 03:04:50 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4763 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4763 Bondarenko, V. G. Стаття 1999 Bondarenko, V. G. 0 Differentiability of integrals of real functions with respect to $L_0$-valued measures Tue, 24 Mar 2026 03:04:46 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4762 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4762 Radchenko, V. N. Стаття 1999 Radchenko, V. N. 0 On synchronization of symmetrically perturbed systems with quadratic nonlinearity Tue, 24 Mar 2026 03:04:45 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4759 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4759 Dobrynskii, V. A. Стаття 1999 Dobrynskii, V. A. 0 On a smooth solution of a nonlinear periodic boundary-value problem Tue, 24 Mar 2026 03:04:45 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4760 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4760 Dobrynskii, V. A. Стаття 1999 Dobrynskii, V. A. 0 On the extension of even-positive-definite functions of one and two variables Tue, 24 Mar 2026 03:04:45 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4761 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4761 Lopotko, O. V. Стаття 1999 Lopotko, O. V. 0 A priori estimates of solutions of linear parabolic problems with coefficients from Sobolev spaces Tue, 24 Mar 2026 03:04:44 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4755 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4755 Romanenko, I. B. Стаття 1999 Romanenko, I. B. 0 Approximation of locally integrable functions on the real line Tue, 24 Mar 2026 03:04:44 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4756 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4756 Stepanets, O. I. Стаття 1999 Stepanets, O. I. 0 Investigation of invariant deformations of integral manifolds of adiabatically perturbed completely integrable Hamiltonian systems. II Tue, 24 Mar 2026 03:04:43 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4753 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4753 Prykarpatsky, Ya. A. Стаття 1999 Prykarpatsky, Ya. A. 0 On the existence of solutions for a differential inclusion of fractional order with upper-semicontinuous right-hand side Tue, 24 Mar 2026 03:04:43 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4757 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4757 Vityuk, A. N. Стаття 1999 Vityuk, A. N. 0 Almost layer finiteness of a periodic group without involutions Tue, 24 Mar 2026 03:04:42 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4754 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4754 Senashov, V. I. Стаття 1999 Senashov, V. I. 0 Quasiconformal mappings and radii of normal systems of neighborhoods Tue, 24 Mar 2026 03:04:42 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4758 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4758 Gol'berg, A. L. Стаття 1999 Gol'berg, A. L. 0 Approximation of one class of differentiable functions by piecewise-HermitianL-splines Tue, 24 Mar 2026 03:04:40 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4751 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4751 Novikov, S. I. Стаття 1999 Novikov, S. I. 0