BORSARI, L. D.; GONÇALVES, D. L. Obstruction theory and minimal number of coincidences for maps from a complex into a manifold. Topological Methods in Nonlinear Analysis, [S. l.], v. 21, n. 1, p. 115–130, 2003. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2003.007. Acesso em: 26 apr. 2024.