CHABANYUK, Ya. M. Stability of a dynamical system with semi-Markov switchings under conditions of diffusion approximation. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 59, n. 9, p. 1290–1296, 2007. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3388. Acesso em: 5 dec. 2025.