Chapter
Some questions in spectral theory for partial differential equations
Application of the methods of the mathematical theory of diffraction to the problem of the asymptotic behavior of the eigenvalues and eigenfunctions of the Laplace operator
Imbedding theory for classes of differentiable functions of several variables
The theory of non-Fredholm elliptic boundary value problems
Sobolev-Slobodeckiĭ spaces of variable order with weighted norms and their applications to mixed elliptic boundary problems
On the convergence of the modified method of steepest descent in the calculation of eigenvalues
Nonclassical boundary value problems
Asymptotic behavior of the solutions of certain boundary value problems of mathematical physics for 𝑡→∞
On Poisson kernels for boundary value problems with the Bessel differential operator
Boundary value problems for differential and integro-differential equations in domains with a degenerate contour
A mathematical description of the oscillations of a material point on an elasto-plastic element
Lie theorems for generalized translation operators
Inequalities of Markov type and Ritz polynomial approximations
Some problems in the theory of differential equations with deviating argument
Weak solutions in the Sobolev sense for a system of boundary layer equations
Some questions from the general theory of difference schemes
Improperly posed problems
The method of fractional steps for the solution of problems in continuum mechanics