FLORENTINO, C.; LAWTON, S.; RAMRAS, D. Homotopy groups of free group character varieties . ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 17, n. 1, p. 143-185, 2017. DOI: 10.2422/2036-2145.201510_004. Disponível em: http://20.103.181.36/index.php/annaliscienze/article/view/495. Acesso em: 16 jun. 2025.