Ordinary Differential Equations
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Switching lines on the plane M. M. Baitman
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1539 |
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A differential deviation game for systems with distributed parameters I. F. Vaisburd
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1552 |
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The determination of periodic solutions of nonlinear systems by the averaging method I. M. Vul'pe
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1558 |
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A small parameter in a differential evasion game P. B. Gusyatnikov, Yu. S. Ledyaev
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1566 |
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Lower bound for the minimal exponent of a linear system N. A. Izobov
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1576 |
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Conditions for two centers for a quadratic differential system È. F. Kirnitskaya, K. S. Sibirskii
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1589 |
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Conditions for a center for the equation $yy'=\sum_{i=0}^3 p_i(x)y^i$ L. A. Cherkas
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1594 |
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Uniform asymptotic stability of a differential system with respect to the first nonlinear approximation of order $\mu $ V. N. Shchennikov
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1601 |
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Stability of the zero solution of Pfaffian systems in terms of generalized characteristic vectors L. F. Yanchuk
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1606 |
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Partial Differential Equations
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The method of lines in nonlinear heat problems S. I. Golaido
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1613 |
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The finiteness of the Dirichlet integral for a class of functions G. V. Zhidkov
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1624 |
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Some problems of mechanics with discontinuous boundary conditions and a nonsmooth boundary A. G. Zarubin, M. F. Tiunchik
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1632 |
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The method of matching asymptotic expansions for the equation $\varepsilon\Delta u-au_z=f$ in a parallelepiped E. F. Lelikova
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1638 |
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The maximum principle in the moment theory of elasticity D. G. Natroshvili
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1649 |
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The global solution of weakly nonlinear hyperbolic equations in a Hilbert space V. P. Pikulin
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1659 |
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Integral Equations
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The stability of control systems A. G. Ramm
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1670 |
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The Noether theory for integral equations of the third kind V. S. Rogozhin, N. S. Raslambekov
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1678 |
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Short Communications
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The dependence of the control set on the parameter N. K. Alekseev, N. S. Rettiev
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1687 |
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Asymptotic stability in nonlinear systems, and the critical case of $2m$ purely imaginary roots in the theory of the stability of motion O. V. Anashkin
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1689 |
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The stability of the solution of the spectral problem for a multi-group diffusion approximation of the transport equation A. A. Anikin, A. I. Popykin, S. B. Shikhov
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1692 |
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A comparison of the properties of the solutions of a quasi-triangular and a quasi-diagonal system B. F. Bylov, V. S. Ermolin
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1696 |
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An investigation of the oscillations of beams of variable cross section A. F. Zubova
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1698 |
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The stable solvability of boundary value problems for autonomous differential equations with deviating argument A. G. Kamenskii
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1701 |
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Dynamic equivalence near invariant manifolds G. S. Osipenko
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1703 |
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The problem of the conjugation of nonstationary linear differential equations with a parameter T. M. Pushkareva
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1706 |
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Distribution of Ljapunov exponents in linear systems with periodic coefficients that are nearly constant in the mean M. I. Rakhimberdiev, N. Kh. Rozov
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1710 |
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A remark on the controllability of a linear periodic system E. L. Tonkov
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1715 |
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Some theorems on the stability of degree $n$ with respect to the matrix $\Phi (t)$ Wu Tuan
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1718 |