MISYATS, O. O.; STANZHITSKII, A. N. Asymptotic equivalence of impulsive systems. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 59, n. 4, p. 514–521, 2007. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3325. Acesso em: 5 dec. 2025.