KICHA, A.; HAMMAMI, M. A.; ABBES, I.-E. Practical semiglobal uniform exponential stability of nonlinear nonautonomous systems. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 75, n. 5, p. 596–613, 2023. DOI: 10.37863/umzh.v75i5.7071. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/7071. Acesso em: 5 dec. 2025.