ANANCHUEN, NAWARAT; PLUMMER, MICHAEL D. Some results related to the toughness of 3-domination critical graphs. II. Utilitas Mathematica , [S. l.], v. 70, 2006. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/427. Acesso em: 8 may. 2026.