D.N.Azarov. Residual p-finiteness of generalized free products of groups
A.T.Assanova. Nonlocal problem with integral conditions for a system of hyperbolic equations in characteristic rectangle
A.N.Blagovisnaya, O.A.Pikhtil’kova, and S.A.Pikhtil’kov.  On M.V.Zaicev problem for Noetherian special Lie algebras
S.S.Volosivets and M.A.Kuznetsova. Multiplicative convolutions of functions from Lorentz spaces and convergence of series of Fourier–Vilenkin coefficients
N.S.Gabbasov and R.R.Zamaliev. Special variants of collocation method for integral equations in a singular case
N.O.Kotelina and A.B.Pevnyi. Complex spherical semi-designs
M.Mirsaburov and S.T.Chorieva. Problem with shift on parallel characteristics for Gellerstedt equation with singular coefficient
R.B.Salimov and A.Z.Suleimanov. A new approach to solving homogeneous Riemann boundary-value problem on a ray with infinite index
N.O.Sedova and Zh.E.Egrashkina. On the use of a general quadratic Lyapunov function for studying the stability of Takagi–Sugeno systems
M.T.Teryokhin and O.V.Baeva. Periodic solutions to nonlinear nonautonomous system of differential equations

Brief communications

A.V.Aminova and D.R.Khakimov. On projective motions of five-dimensional spaces of special form