A.N.Abyzov. Generalized $SV$-rings of bounded index of nilpotency
R.E.Afonin and A.B.Pevnyi. A criterion for a spherical design associated with V.A.Yudin potentials
V.P.Zhitnikov, E.M.Oshmarina, and G.I.Fedorova. Exact solutions of two limiting quasistationary electrochemical shaping problems
A.Yu.Kulikov and V.V.Malygina. Stability of a linear difference equation and estimation of its fundamental solution
I.S.Mekhedov. A multisheet plane figure and its medial axis
S.Ponnusamy and K.-J.Wirths. On an extreme point conjecture for concave functions
O.A.Starikova and A.V.Svistunova. Enumeration of quadrics of projective spaces over local rings
M.F.Timan and Yu.Kh.Khasanov. Approximations of almost periodic functions by entire ones
F.G.Avkhadiev. Sharp estimates for functions with a pole and logarithmic singularity
S.S.Alekseev and O.A.Zadvornov. Solvability of a multivalued filtering problem in a heterogeneous environment with a distributed source
I.M.Kamalutdinov and D.V.Maklakov. Quasisolution of an inverse boundary-value problem in aerohydrodynamics with a limited maximum velocity on a contour in a range of angles of attack

Author Index to Volume 55, 2011