A.N.Zarubin. Tricomi problem for $q$-difference analog of anticipatory-retarding equation of mixed type
B.A.Kats, S.R.Mironova, and A.Yu.Pogodina. Jump boundary-value problem on a contour with elongate singularities
A.A.Mikheeva. On four-dimensional left Bol three-webs with the same core
S.N.Mishin. Homogeneous differential-operator equations in locally convex spaces
R.V.Namm and G.I.Tsoi. A method of successive approximations for solving the quasi-variational Signorini inequality
O.A.Repin. On a problem with shift for mixed type equation with two degeneration lines
A.V.Cherednikova. Rings of quasi-endomorphisms of some direct sums of torsion-free Abelian groups

Brief communications

I.B.Badriev, M.V.Makarov, and V.N.Paimushin. Contact statement of mechanical problems of reinforced on a contour sandwich plates with transversally-soft core
A.M.Bikchentaev. Two classes of $\tau$-measurable operators affiliated with a von Neumann algebra
K.G.Garaev. A problem on brachistochrone as invariant variational problem
R.Pirov. On certain nonlinear systems of partial differential equations of the second order