IMANBAEV, N. ON BASIS PROPERTY OF SYSTEMS ROOT VECTORS OF A LOADED MULTIPLE DIFFERENTIATION OPERATOR. Известия НАН РК. Серия физико-математическая, [S. l.], n. 1, p. 32–37, 2020. Disponível em: https://journals.nauka-nanrk.kz/physics-mathematics/article/view/389. Acesso em: 23 май. 2024.