Results for

Results for Showing 3901 - 3950 results of 310972 Laminas_Feed_Writer 2 (https://getlaminas.org) https://harvester.nas.gov.ua/Search/Results?sort=last_indexed+desc&limit=50&page=79&type=Publisher&lng=en 310972 3900 50 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 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. Article 1999 Novikov, S. I. 0 On convergence classes of Dirichlet series Tue, 24 Mar 2026 03:04:38 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4750 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4750 Mulyava, O. M. Article 1999 Mulyava, O. M. 0 Approximation of continuous functions defined on the real axis by generalized Zygmund operators Tue, 24 Mar 2026 03:04:38 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4752 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4752 Ostrovskaya, О. V. Article 1999 Ostrovskaya, О. V. 0 Stability analysis with respect to two measures of impulsive systems under structural perturbations Tue, 24 Mar 2026 03:04:36 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4749 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4749 Martynyuk, A. A. Article 1999 Martynyuk, A. A. 0 On the best approximation of classes $W^r H^{ω}$ by algebraic polynomials in the space $L_1$ Tue, 24 Mar 2026 03:04:32 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4747 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4747 Kogan, A. M. Article 1999 Kogan, A. M. 0 A singularly perturbed spectral problem for a biharmonic operator with Neumann conditions Tue, 24 Mar 2026 03:04:32 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4748 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4748 Lavrent'ev, A. S. Article 1999 Lavrent'ev, A. S. 0 On the application of numerical methods to the solution of nonlinear second-order differential equations with random deviations of argument Tue, 24 Mar 2026 03:04:31 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4744 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4744 Kolomiets, O. V. Article 1999 Kolomiets, O. V. 0 On the boundedness of the total variation of the logarithm of a Blaschke product Tue, 24 Mar 2026 03:04:31 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4746 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4746 Kondratyuk, Ya. V. Article 1999 Kondratyuk, Ya. V. 0 Parametrix method for a parabolic equation on a Riemannian manifold Tue, 24 Mar 2026 03:04:30 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4745 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4745 Bondarenko, V. G. Article 1999 Bondarenko, V. G. 0 Optimization of projection schemes of digitization of ill-posed problems Tue, 24 Mar 2026 03:04:28 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4739 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4739 Solodkii, S. G. Article 1999 Solodkii, S. G. 0 On the function of hamiltonian action for nonholonomic systems and its application to the investigation of stability Tue, 24 Mar 2026 03:04:28 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4740 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4740 Sosnitskii, S. P. Article 1999 Sosnitskii, S. P. 0 On locally graded groups with minimality condition for a certain system of nonhypercentral subgroups Tue, 24 Mar 2026 03:04:28 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4742 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4742 Artemovich, O. D. Article 1999 Artemovich, O. D. 0 Lyapunov transformation and stability of differential equations in banach spaces Tue, 24 Mar 2026 03:04:27 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4741 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4741 Tran, Thi Loan Article 1999 Tran, Thi Loan 0 Bott functions and the euler characteristic Tue, 24 Mar 2026 03:04:27 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4743 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4743 Bondar', O. P. Article 1999 Bondar', O. P. 0 Investigation of invariant deformations of integral manifolds of adiabatically perturbed completely integrable hamiltonian systems. I Tue, 24 Mar 2026 03:04:21 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4737 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4737 Prykarpatsky, Ya. A. Article 1999 Prykarpatsky, Ya. A. 0 On quasiconformal mappings corresponding to the beltrami equation Tue, 24 Mar 2026 03:04:21 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4738 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4738 Samsoniya, Z. V. Article 1999 Samsoniya, Z. V. 0 Large deviations for Bayes discrimination of a finite number of simple hypotheses Tue, 24 Mar 2026 03:04:20 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4735 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4735 Gabriel', L. A. Article 1999 Gabriel', L. A. 0 On the best approximation of functions of $n$ variables Tue, 24 Mar 2026 03:04:19 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4734 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4734 Korneichuk, N. P. Article 1999 Korneichuk, N. P. 0 Structure of a general solution of systems of nonlinear difference equations Tue, 24 Mar 2026 03:04:19 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4736 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4736 Pelyukh, G. P. Article 1999 Pelyukh, G. P. 0 Primary graded groups with complementable non-Frattini subgroups Tue, 24 Mar 2026 03:04:17 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4731 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4731 Dovzhenko, S. A. Article 1999 Dovzhenko, S. A. 0 Pseudodifferential equations and a generalized translation operator in non-gaussian infinite-dimensional analysis Tue, 24 Mar 2026 03:04:17 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4732 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4732 Kachanovskii, N. A. Article 1999 Kachanovskii, N. A. 0 Bifurcation of the state of equilibrium in the system of nonlinear parabolic equations with transformed argument Tue, 24 Mar 2026 03:04:17 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4733 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4733 Klevchuk, I. I. Article 1999 Klevchuk, I. I. 0 A multipoint problem with multiple nodes for linear hyperbolic equations Tue, 24 Mar 2026 03:04:16 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4729 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4729 Beresnevich, V. V. Article 1999 Beresnevich, V. V. 0 Eigenvalue problems with discontinuous eigenfunctions and their numerical solutions Tue, 24 Mar 2026 03:04:16 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4730 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4730 Deineka, V. S. Article 1999 Deineka, V. S. 0 On the order of growth of rectangular partial sums of double orthogonal series Tue, 24 Mar 2026 03:04:09 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4728 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4728 Andrienko, V. A. Article 1999 Andrienko, V. A. 0 On one method of factorization of polynomials Tue, 24 Mar 2026 03:04:08 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4724 https://harvester.nas.gov.ua/Record/umjimathkievua-article-4724 Dzhalladova, I. A. Article 1999 Dzhalladova, I. A. 0