Includes bibliographical references.

Solvability of boundary problems for quasi-linear parabolic equations of higher order /; On a reduction method for discrete analogues of equations of Wiener-Hopf type /; A priori estimates for second-order parabolic equations /; Properties of the matrix of the one-dimensional Schr�odinger equation /; Linear equations of second order with nonnegative characteristic form /; On the solution of nonstationary operator equations /; Some new investigations in the theory of nonselfadjoint operators /; Diffraction by dihedral and polyhedral angles /; Criteria for unicellularity of dissipative Volterra operators with nuclear imaginary components / M. I. Visik; I. C. Gohberg and V. G. Ceban; V. A. Solonnikov; L. D. Faddeev; O. A. Oleinik; O. A. Ladyzenskaja; M. S. Brodskii, I. C. Gohberg, M. G. Krein and V. I. Macaev; A. F. Filippov; M. S. Brodskii and G. E. Kisilevskii