CARBINATTO, M. C.; RYBAKOWSKI, K. P. Conley index continuation for a singularly perturbed periodic boundary value problem. Topological Methods in Nonlinear Analysis, [S. l.], v. 54, n. 1, p. 29–58, 2019. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2019.023. Acesso em: 3 jul. 2024.