A.SH. SHALDANBAYEV; S.M. SHALENOVA; M.B. IVANOVA; A.A. SHALDANBAYEVA. ON SPECTRAL PROPERTIES OF A BOUNDARY VALUE PROBLEM OF THE FIRST ORDER EQUATION WITH DEVIATING ARGUMENT. Известия НАН РК. Серия физико-математическая, [S. l.], n. 5, p. 19–39., 2019. Disponível em: https://journals.nauka-nanrk.kz/physics-mathematics/article/view/1656. Acesso em: 7 май. 2024.