BONOMO, FLAVIA; DURÁN, GUILLERMO; GROSHAUS, MARINA. Coordinated graphs and clique graphs of clique-Helly perfect graphs. Utilitas Mathematica , [S. l.], v. 72, 2007. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/505. Acesso em: 8 may. 2026.