DE FRAYSSEIX, Hubert; OSSONA DE MENDEZ, Patrice. Connectivity of Planar Graphs. Journal of Graph Algorithms and Applications, [S. l.], v. 5, n. 5, p. 93–105, 2001. DOI: 10.7155/jgaa.00041. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper41. Acesso em: 30 jun. 2024.