LEE, W.-Y. ON GRAPH REPRESENTATION FOR CO-DIAGONAL GROUPS. Tamkang Journal of Mathematics, [S. l.], v. 23, n. 2, p. 81–85, 1992. DOI: 10.5556/j.tkjm.23.1992.4530. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4530. Acesso em: 6 may. 2024.