On conditions for the discreteness of the spectrum of a non-self-adjoint system of differential equations of the Dirac type V. P. Serebryakov OriginalPaper Pages: 921 - 938
On a system of differential equations with operator coefficients and its applications to multidimensional systems of composite type K. Kh. Boimatov OriginalPaper Pages: 939 - 973
Integrals of semiintegrable k-tuples of germs of vector fields in the plane R. I. Bogdanov OriginalPaper Pages: 974 - 1003
On the behavior of the solutions of the Cauchy problem for parabolic systems with nonlinear dissipation near the initial hyperplane A. S. Kalashnikov OriginalPaper Pages: 1004 - 1010
On nonnegative solutions of elliptic and parabolic equations N. O. Maksimova OriginalPaper Pages: 1011 - 1027