SVERDAN, M. L.; TSAR’KOV, E. F.; YASINSKY, V. K. Asymptotic behavior of solutions of pulse systems with small parameter and markov switchings. II. Weak convergence of solutions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 48, n. 12, p. 1708–1720, 1996. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5193. Acesso em: 5 dec. 2025.