ORTEGA, R.; SÁNCHEZ-GABITES, J. J. A homotopical property of attractors. Topological Methods in Nonlinear Analysis, [S. l.], v. 46, n. 2, p. 1089–1106, 2015. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2015.082. Acesso em: 25 apr. 2024.