DE REZENDE, Ketty A.; GRULHA JR., Nivaldo G.; LIMA, Dahisy V. de S.; ZIGART, Murilo 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: 28 jun. 2025.