SCHAEFER, Marcus; ŠTEFANKOVIČ, Daniel. The Degenerate Crossing Number and Higher-Genus Embeddings. Journal of Graph Algorithms and Applications, [S. l.], v. 26, n. 1, p. 35–58, 2022. DOI: 10.7155/jgaa.00580. Disponível em: https://www.jgaa.info/index.php/jgaa/article/view/paper580. Acesso em: 13 dec. 2024.