A.V.Glushak. Uniquely solvable problems for abstract Legendre equation
S.A.Grigoryan and A.Yu.Kuznetsova. $C^*$-algebras generated by mappings. Classification of invariant subspaces
M.Kostich and V.E.Fedorov. Disjoint hypercyclic and disjoint topologically mixing properties of degenerate fractional differential equations
D.S.Chistyakov. Isomorphisms of endomorphism semigroups of mixed abelian groups

Brief communications

E.V.Aksenyushkina. Optimality conditions in a control problem for a linear system with bilinear functional
N.V.Banichuk, S.Yu.Ivanova, and V.S.Afanas'ev. Mechanics of axially moving and vibrating in transverse direction orthotropic thermoelastic web
A.S.Boldyrev and V.G.Zvyagin. Attractors for weak solutions of a regularized model of viscoelastic mediums motion with memory in non-autonomous case
R.N.Gumerov, E.V.Lipacheva, and T.A.Grigoryan. On inductive limits for systems of $C^*$-algebras
M.V.Tryamkin. Geodesics on the group of semi-affine transformations of the Euclidean plane