Frati F, Fulek R, Ruiz-Vargas A. On the Page Number of Upward Planar Directed Acyclic Graphs. JGAA [Internet]. 2013 Mar. 1 [cited 2024 Dec. 22];17(3):221-44. Available from: https://jgaa-v4.cs.brown.edu/index.php/jgaa/article/view/paper292