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: https://journals.sns.it/index.php/annaliscienze/article/view/651. Acesso em: 20 feb. 2026.