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 Ordinary Differential Equations Description of the behavior of higher sigma-exponents of a triangular system and of a system of its diagonal approximationE. A. Barabanov 187 Estimates for domains of attraction of stationary solutions of differential equations of systems of frequency synchronization. II. M. Burkin, I. S. Dzesov, G. A. Leonov 205 Stability with respect to the first approximation of systems with linearly time-dependent delayB. G. Grebenshchikov 214 Stability of the trivial solution of some classes of systems of functional-differential equations of retarded typeJ. Diblik 219 Some applications of the theory of an abstract functional-differential equation. IIG. G. Islamov 224 Optimal design in a smooth linear time-optimality problemYu. N. Kiselev 232 Modeling controls and coefficients in parabolic evolution systemsV. I. Maksimov 237 Two-sided solutions of linear functional-differential equationsA. N. Murovtsev, A. D. Myshkis 246 Phase spaces of a class of operator semilinear equations of Sobolev typeG. A. Sviridyuk, T. G. Sukacheva 250 Analytic spectral problemsM. V. Fedoryuk 258 Partial Differential Equations Lorentz-invariant solutions of a pseudodifferential Schrödinger equationA. V. Aksenov, K. L. Samarov 268 A singularly perturbed system of equations of elliptic typeV. F. Butuzov, A. G. Nikitin 271 A generalization of the concepts of uniform stabilization and uniform closeness of solutions of the Cauchy problemK. V. Valikov 279 Extremal properties of solutions of a class of parabolic systems and their applicationsK. B. Sabitov 287 $G$-compactness of a class of first-order elliptic systemsM. M. Sirazhudinov 298 A characterization problem for a class of second-order hyperbolic systems with a characteristic line of degenerationS. S. Kharibegashvili 305 Numerical methods A variant of the method of variable directions for the solution of multidimensional problems in mathematical physics. IV. N. Abrashin 314 The rate of convergence of the Bubnov–Galerkin method for hyperbolic equationsL. A. Zhelezovskaya, S. E. Zhelezovsky, V. Ph. Kirichenko, V. A. Krys'ko 323 A method for numerical solution of integral equations on a random gridV. M. Ivanov, O. Yu. Kulchitskii 333 Short Communications Necessary conditions with matrix impulses for a Goursat–Darboux systemE. E. Barbashina 342 On the divergence of transformations in the averaging methodV. V. Basov 343 Second order systems with quadratic nonlinearity of Painlevé typeV. N. Gorbuzov, S. N. Udot 345 Periodic solutions of Hamiltonian systemsA. K. Demenchuk 348 Solution of a boundary value problem for Poisson and Laplace equations with boundary conditions of the fourth kind on concentric boundaries of constant radiusI. U. Zulkarnaev 351 Normal forms of systems of linear differential equations with bifurcating Fuchsian singularitiesV. P. Kostov 353 Eigenfunction expansion of a class of nonsmooth differential operatorsA. M. Minkin 356 On the oscillatory character of the kernel connected with the Green’s function of a multi-point problemA. L. Teptin 358 People of Soviet science Abdel'khak Safiullovich Galiullin (on the occasion of his 70th birthday)N. P. Erugin, V. G. Demin, R. G. Mukharlyamov, V. G. Veretennikov, A. A. Shestakov, V. M. Savchin 361