On a class of nonlinear differential equations / V.A. Jakubovič -- An investigation of a nonlinear system of three differential equations / V.A. Pliss -- Fundamental solutions of linear partial differential equations with constant coefficients / V.A. Borovikov -- Expansion into eigenfunctions of non-selfadjoint singular differential operators of second order / V.A. Marčenko -- On a certain property and a new definition of generalized almost periodic functions of A.S. Besicovitch / A.S. Kovanʹko -- Nonstationary Navier-Stokes equations / O.A. Ladyženskaja -- Solution in the large of the Cauchy problem for a nonstationary plane flow of a viscous, incompressible fluid -- O.A. Ladyženskaja -- Investigation of the Navier-Stokes equation for a stationary flow of an incompressible fluid / O.A. Ladyženakaja -- The method of sections in the theory of dynamical systems / E.A. Barbašin -- Thermodynamics of gases and differential equations / S.K. Godunov -- On approximation methods in the inverse problem of the quantum theory of scattering / V.K. Melʹnikov -- On cohomologies of spaces of paths / A.L. Oniščik