TY - JOUR AU - A.Sh. Shaldanbayev, AU - M.B. Ivanova, AU - A.N.Urmatova, AU - A.A. Shaldanbayeva, PY - 2019/12/12 Y2 - 2024/03/29 TI - SPECTRAL DECOMPOSITION OF A FIRST ORDER FUNCTIONAL DIFFERENTIAL OPERATOR JF - Известия НАН РК. Серия физико-математическая JA - СФМН VL - IS - 6 SE - Статьи DO - UR - https://journals.nauka-nanrk.kz/physics-mathematics/article/view/1696 SP - 90-105 AB - <p>In this paper we study spectral properties of a boundary value problem of a first-order differential<br>equation with constant coefficients and a deviating argument. By spectral properties we mean completeness and basis<br>property of the system of eigenfunctions and associated functions of the boundary value problem, as well as the<br>Volterra property.</p> ER -