FRATI, Fabrizio; FULEK, Radoslav; RUIZ-VARGAS, Andres. On the Page Number of Upward Planar Directed Acyclic Graphs. Journal of Graph Algorithms and Applications, [S. l.], v. 17, n. 3, p. 221–244, 2013. DOI: 10.7155/jgaa.00292. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper292. Acesso em: 28 sep. 2024.