DE REZENDE, K. A.; GRULHA JR., N. G.; LIMA, D. V. de S.; ZIGART, M. A. J. Conley index theory for Gutierrez-Sotomayor flows on singular 3-manifolds. Topological Methods in Nonlinear Analysis, [S. l.], v. 62, n. 1, p. 267–326, 2023. DOI: 10.12775/TMNA.2022.070. Disponível em: https://apcz.umk.pl/TMNA/article/view/46313. Acesso em: 22 jul. 2024.