Gan, Junhao, and Yufei Tao. “An I O-Efficient Algorithm for Computing Vertex Separators on Multi-Dimensional Grid Graphs and Its Applications”. Journal of Graph Algorithms and Applications 22, no. 2 (January 1, 2018): 297–327. Accessed November 26, 2024. https://jgaa.info/index.php/jgaa/article/view/paper471.