KHOSHKHAH, Kaveh; KHOSRAVIAN GHADIKOLAEI, Mehdi; MONNOT, Jérôme; SIKORA, Florian. Weighted Upper Edge Cover: Complexity and Approximability. Journal of Graph Algorithms and Applications, [S. l.], v. 24, n. 2, p. 65–88, 2020. DOI: 10.7155/jgaa.00519. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper519. Acesso em: 1 jul. 2024.