BAPAEV K.B; VASSILINA G.K. ON LAGRANGE STABILITY AND POISSON STABILITY OF THE DIFFERENTIAL-DYNAMIC SYSTEMS . Известия НАН РК. Серия физико-математическая, [S. l.], n. 5, p. 120–125., 2019. Disponível em: http://91834.libg.asia/physics-mathematics/article/view/1665. Acesso em: 19 апр. 2025.