ARTIGUE, A. Isolated sets, catenary Lyapunov functions and expansive systems. Topological Methods in Nonlinear Analysis, [S. l.], v. 49, n. 1, p. 21–50, 2016. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2016.067. Acesso em: 22 jul. 2024.