ZHUMATOV, S. S. Asymptotic Stability of Implicit Differential Systems in the Vicinity of Program Manifold. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 66, n. 4, p. 558–565, 2014. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2158. Acesso em: 5 dec. 2025.