BATTISTON, G.; KINDLER, L. The homotopy sequence for regular singular stratified bundles. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 19, n. 3, p. 869-888, 2019. DOI: 10.2422/2036-2145.201701_007. Disponível em: http://20.103.181.36/index.php/annaliscienze/article/view/651. Acesso em: 27 may. 2025.