MUÑOZ, V. Leray-Serre Spectral Sequence for Quasi-Fibrations. CUBO, A Mathematical Journal, [S. l.], v. 5, n. 3, p. 292–305, 2003. Disponível em: https://cubo.ufro.cl/ojs/index.php/cubo/article/view/1678. Acesso em: 20 may. 2024.