PERESTYUK, N. A.; CHERNIKOVA, O. S. On Stability of Integral Sets of Impulsive Differential Systems. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 54, n. 2, p. 249–257, 2002. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4060. Acesso em: 5 dec. 2025.