S.B.Vakarchuk and A.V.Shvachko. Kolmogorov­ type inequalities for derived functions of two variables with application for approximation by an "angle"
I.G.Velichko, P.G.Stegantseva, and N.P.Bashova. The listing of topologies close to the discrete one on finite sets
A.F.Gainutdinova. Comparative complexity of quantum and classical OBDDs for total and partial functions
N.V.Martem'yanova. The Dirichlet problem for an equation of mixed elliptic­hyperbolic type with variable potential
M.M.Rakhmatullaev. New weakly periodic Gibbs measures of Ising model on Cayley tree
S.M.Ratseev. On minimal Poisson algebras
G.Z.Khabibullina, S.V.Makletsov, and R.M.Mavlyaviev. Integral representation of a solution to three­-dimensional elliptic equation with strong degeneration

Brief communications

I.R.Kayumov and D.V.Maklakov. On minimization of cavity drag of hydrofoils
K.S.Tulenov. Noncommutative vector­-valued symmetric Hardy spaces