About the strong solvability of mixed problems for first order equations with deviating argument

Subject Operator theory
Title About the strong solvability of mixed problems for first order equations with deviating argument
Author(s) Amir Shaldanbaev, Salima Shalenova
Keywords continuous spectrum, self-conjugate operator, orthonormal base
Abstract In this paper, we have obtained the criteria for strong solvability of a mixed problem for functional differential equations, by methods of spectral theory of operators.