GAO, WEI; LIANG, LI; CHEN, YUHUA. An isolated toughness condition for graphs to be fractional (k, m)-deleted graphs. Utilitas Mathematica , [S. l.], v. 105, 2017. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1177. Acesso em: 1 may. 2026.