YOUSSEF, S. A.; HULSURKAR, S. G. ON PLANARITY OF GRAPHS ON WEYL GROUPS. Tamkang Journal of Mathematics, [S. l.], v. 26, n. 4, p. 361–369, 1995. DOI: 10.5556/j.tkjm.26.1995.4415. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4415. Acesso em: 26 apr. 2024.