Certified Vertex Cover of a Graph. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 17, n. 2, p. 1038–1045, 2024. DOI: 10.29020/nybg.ejpam.v17i2.5157. Disponível em: https://ejpam.com/index.php/ejpam/article/view/5157.. Acesso em: 23 jun. 2024.