A.T.Asanova. Criteria of unique solvability of nonlocal boundary­value problem for systems of hyperbolic equations with mixed derivatives
M.S.Eryashkin. Invariants and rings of quotients of H-semiprime H-module algebras satisfying a polynomial identity
E.V.Semenko. Inverse problem of hydrodynamics for doubly connected domain
L.V.Shirokov. On extension of continuous mappings, topological products and retracts

Brief communications

A.M.Bikchentaev. On operator monotone and operator convex functions
E.O.Burlakov and E.S.Zhukovskii. On well-­posedness of generalized neural field equations with impulsive control
S.K.Zubkova and V.V.Shurygin. Transverse Lie jets and holomorphic geometric objects on transverse bundles
V.A.Srochko and V.G.Antonik. Optimality conditions for extremal controls in bilinear and quadratic problems
Zh.N.Temirgalieva and N.Temirgaliev. Rapid "algebraic" Fourier transforms on uniformly distributed meshes