HERTZ, Alain; MONTAGNÉ, Romain; GAGNON, François. Constructive algorithms for the partial directed weighted improper coloring problem. Journal of Graph Algorithms and Applications, [S. l.], v. 20, n. 2, p. 159–188, 2016. DOI: 10.7155/jgaa.00389. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper389. Acesso em: 30 jun. 2024.