SZYBOWSKI, J. The Conley index over a phase space for flows. Topological Methods in Nonlinear Analysis, [S. l.], v. 39, n. 2, p. 311–333, 2012. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2012.017. Acesso em: 26 apr. 2024.