AITALIOUBRAHIM, M. Viability for upper semicontinuous differential inclusions without convexity. Topological Methods in Nonlinear Analysis, [S. l.], v. 42, n. 1, p. 77–90, 2013. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2013.025. Acesso em: 3 jul. 2024.