Includes bibliographical references.

An extension of the Denjoy-Carleman quasi-analytic classes /; On complete topological linear spaces /; The factorization problem in abstract Banach algebras. I. Splitting algebras /; The factorization problem in abstract Banach algebras. II. Irreducible algebras /; On the algebra generated by Toeplitz matrices in _p spaces /; On some chains of projections in Hilbert space /; On the distribution of the spectrum of a rational operator pencil /; On the convergence of multiple expansions in eigenvectors and associated vectors of an operator bundle /; On the asymptotic behavior of the spectral function of a selfadjoint differential equation of the second order and on expansion in eigenfunctions. II / M. M. Dzrbasjan; Vlastimil Ptak; M. S. Budjanu and I. C. Gohberg; M. S. Budjanu and I. C. Gohberg; I. C. Gohberg and N. Ja. Krupnik; A. S. Markus and V. A. Prigorskii; V. I. Macaev and Ju. A. Palant; A. S. Markus; B. M. Levitan