Includes bibliographical references.

On dynamical systems in function spaces /; Some applications of spectral sets. I. Harmonic-spectral measure /; Normally solvable operators and ideals associated with them /; Spectral analysis of Volterra operators defined on the vector function space ^2_m[0,l] /; Estimates for integral operators in translation-invariant norms /; On the extensions of symmetric operators depending on a parameter /; On the spectrum of the anharmonic oscillator /; Analytic properties of the discrete spectrum of the Schr�odinger equation /; On the spectrum of the radial Schr�odinger equation in the neighborhood of zeros /; On H�older continuity of solutions and their derivatives of linear and quasilinear elliptic and parabolic equations /; The solution of a problem of rotational flow of a compressible fluid in a magnetic field parallel to the flow velocity /; On the exact solutions of certain problems of magnetohydrodynamics /; On a theorem of Liouville concerning integrable problems of dynamics /; Investigation of a transcendental case in the theory of stability of motion / S. Fomin; Ciprian Foias; I. C. Gohberg, A. S. Markus and I. A. Feldman; L. A. Sahnovic; K. K. Golovkin and V. A. Solonnikov; A. V. Straus; L. A. Sahnovic; L. A. Sahnovic; L. A. Sahnovic; O. A. Ladyzenskaja and N. N. Uralceva; G. I. Nazarov; G. I. Nazarov; V. I. Arnold; V. A. Pliss