Computing Directed Pathwidth in O(1.89 n ) Time. - Kenta Kitsunai; Yasuaki Kobayashi; Keita Komuro; Hisao Tamaki; Toshihiro Tano (IPEC, 2012)

Computing Directed Pathwidth in O(1.89n) Time. - Kenta Kitsunai; Yasuaki Kobayashi; Keita Komuro; Hisao Tamaki; Toshihiro Tano (Algorithmica, 2016)