Y.V. YESKENDIROVA. ABOUT STABILITY OF DIFFERENCE DYNAMIC SYSTEMS (DDS) ON THE FIRST APPROACH . Известия НАН РК. Серия физико-математическая, [S. l.], n. 3, p. 50–57, 2021. Disponível em: http://91834.libg.asia/physics-mathematics/article/view/2073. Acesso em: 21 фев. 2025.