PORTI, J. Hyperbolic polygons of minimal perimeter in punctured discs. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 18, n. 3, p. 831-844, 2018. DOI: 10.2422/2036-2145.201609_017. Disponível em: http://20.103.181.36/index.php/annaliscienze/article/view/599. Acesso em: 27 may. 2025.