Udmurt State University 1

1. On nonlocal perturbation of the problem on eigenvalues of differentiation operator on a segment
2. On solvability of some boundary value problems for a nonlocal Poisson equation with periodic conditions
3. On solvability of the Dirichlet and Neumann boundary value problems for the Poisson equation with multiple involution
4. On the singular Volterra integral equation of the boundary value problem for heat conduction in a degenerating domain
5. Problem with data on the characteristics for a loaded system of hyperbolic equations
1