On the structure of Mikusiński operators in a pseudonormed space / I.I. Rjabcev -- Local properties of Mikusiński operators / I.I. Rjabcev -- The spectrum of singular boundary problems / M.Š. Birman -- On the spectra of some non-self-adjoint operators / R.M. Martirosjan -- Asymptotic behavior of the spectral function of the Schrödinger operator near a plane part of the boundary / M.G. Gasymov and B.M. Levitan -- Some boundary-value problems in infinite regions / D.M. Èĭdus -- Some integral inequalities and the solvability of degenerate quasilinear elliptic systems of differential equations / Ju.A. Dubinskiĭ -- Some questions of approximation and representation of functions / V.I. Arnolʹd -- On the space of bounded regular functions / V.P. Havin -- On the approximation of continuous functions in closed domains with corners and on a problem of S.M. Nikolʹskiĭ. I / V.K. Dzjadyk -- On the theory of approximation of analytic functions continuous on closed domains and on a problem of S.M. Nikolʹskiĭ. II / V.K. Dzjadyk