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 Ordinary Differential Equations The direction vector method for investigating the stability of singular points of nonlinear systems. II. Partial results, examples and discussionsA. V. Zhevnyak 923 Estimates for periodic solutions of systems of second-order nonlinear differential equationsA. A. Zevin 932 Third-order equations without moving critical singularitiesI. P. Martynov 937 Generic properties of conditional exponential stability. XIV. M. Millionshchikov 946 Nonlocal problems in the theory of optimal processes. IIA. Ya. Narmanov, N. N. Petrov 955 Characteristic Lyapunov exponents of a regular system with nonlinear perturbation and random inhomogeneityNguyen Dinh Cong 962 Asymptotic behavior of solutions of a multidimensional systemS. K. Norkin 974 Optimality of generalized actionsYu. V. Orlov 978 Regularized traces of higher-order differential operators with retarded argumentM. Pikula 986 The maximum number of limit cycles of the equation $(y-P_3(x))dy=P_1(x,y)dx$ in the case of three singular pointsG. S. Rychkov 991 Asymptotic behavior of the solution of a boundary value problem for a singularly perturbed system of ordinary differential equationsA. A. Shishkin, G. B. Gurov 997 Partial Differential Equations The conjugacy problem for an elliptic system of first-order differential equations with derivatives in the boundary conditionI. A. Bikchantaev 1007 Periodic solutions of singularly perturbed equations of elliptic typeA. B. Vasil'eva, M. A. Petrova 1013 Weighted spherical functions and singular pseudodifferential operatorsL. N. Lyakhov 1020 The spectrum of a stationary single-velocity transport equation with linear dependence of the scattering law on the anglesR. S. Makin 1032 $H_p$-estimates for solutions of the Cauchy problem for differential operators that decompose into wave factorsA. V. Perzhan 1037 Estimation of the change in the solution of the Dirichlet problem under variation of the domainÈ. M. Saak 1047 Integral Equations and Integral-Differential Existence and stability of solutions of linear functional-differential equations in weighted Lebesgue spacesL. M. Berezanskii 1052 Equations of the first kind with elliptic integrals in the kernelM. M. Khapaev (Jr.) 1059 Short Communications Bifurcations of waves described by parabolic systems in a circular cylinderV. A. Vol'pert, A. I. Vol'pert 1068 Regular multidimensional differential equationsI. V. Gaishun, N. A. Portyanko 1071 Perturbed Euler differential systemP. B. Golokvoschyus 1074 Localization principle for solutions of the Cauchy problem for parabolic systems in the class of generalized infinite-order functionsV. V. Gorodestkii 1077 On the existence and location of limit cycles in an autonomous systemL. I. Zhilevich 1079 Double expansion in series of eigenfunctions of the Orr–Sommerfeld problemZ. Kadelburg 1082 Sequential analysis of periodic systems with a small parameter multiplying the derivative in the presence of purely imaginary (including identically multiple) points in the spectrum of the limit operatorYu. A. Konyaev 1085 On an approximating sequenceS. A. Mazanik 1089 The structure of solutions of Jacobi systems with periodic coefficientsK. V. Mal'kov 1091 Length of the gaps in the continuous spectrum of the Sturm–Liouville operatorP. A. Mishnaevskii 1095 A remark on the inversion formula for Wimp's integral transformation with respect to the indexS. B. Yakubovich 1097