DE FRAYSSEIX, Hubert; OSSONA DE MENDEZ, Patrice. On Cotree-Critical and DFS Cotree-Critical Graphs. Journal of Graph Algorithms and Applications, [S. l.], v. 7, n. 4, p. 411–427, 2003. DOI: 10.7155/jgaa.00077. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper77. Acesso em: 30 jun. 2024.