Differentsial'nye Uravneniya
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 Ordinary Differential Equations The structure of the set of Lyapunov characteristic exponents of exponentially stable quasi-linear systemsE. A. Barabanov, I. A. Volkov 3 Basis properties of the eigenfunctions of some nonselfadjoint differential operatorsB. T. Bilalov, Yu. K. Yusifaliev 20 On the regularization of singular functional-differential equationsE. I. Bravyi 26 Asymptotics of the eigenvalues of a singular differential operatorV. V. Dubrovskii, V. Kh. Aliverdiev 35 On the Green function for a boundary value problem on a graphI. G. Karelina, Yu. V. Pokornyi 41 Necessary conditions for the satisfaction of a Hilbert-type inequality in a system of root functions of a second-order ordinary differential operatorA. A. Malov 48 A component-wise estimate for the difference of partial sums of root vector function expansions, which correspond to two Schrödinger operators with non-Hermitian matrix potentials, for vector functions with monotone componentsE. I. Nikol'skaya 60 Expansions in eigenfunctions of the differentiation operator with spread boundary conditionA. M. Sedletskii 70 Special boundary value problems for differential equations in a Hilbert spaceA. Kh. Shamilov 77 Partial Differential Equations $L_2$-estimates for solutions of model boundary value problems for a system of equations with mixed parabolic-elliptic structureM. A. Abdrachmanov 84 Operator-differential equations with nonregular boundary conditions and their applicationI. V. Aliev 95 Estimates for the solutions of the Dirichlet problem for second-order elliptic equations in nondivergence form in a neighborhood of a conic point of the boundaryM. V. Borsuk 104 On the Hölder property of derivatives of solutions of second-order parabolic equations in noncylindrical domainsI. A. Gasanova 109 On systems of root vector functions of the Laplace operator with matrix eigenvaluesV. A. Gorelov 119 On the absence of the basis property of a system of root functions of a problem with an oblique derivativeV. A. Il'in, E. I. Moiseev 128 On the existence of a well-posed two-point boundary value problem in a layer for systems of pseudo-differential equationsÀ. À. Makarov 144 Solvability of boundary value problems for parabolic and polyparabolic equations in a noncylindrical domain with nonsmooth lateral boundariesM. O. Orynbasarov 151 Construction of a semibounded functional for a boundary value problem for nonlinear nonstationary Navier–Stokes equationsV. M. Savchin 162 Short Communications On the eigenvalues of a class of nonselfadjoint operatorsT. S. Aleroev 169 Regularization of the problem of the control of a dynamical system in a Hilbert space under conditions of uncertaintyA. R. Danilin 172 Finite difference approximations for the multidimensional equation of convective diffusionS. L. Lapko, A. N. Rashid 175 Distribution of the eigenvalues of finite multiplicity of Neumann extensions of an elliptic operatorV. A. Mikhailets 178