GAO, WEI; GUIRAO, JUAN L.G. A mild changed condition for fractional (g,f, n)-critical deleted graph. Utilitas Mathematica , [S. l.], v. 112, 2019. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1391. Acesso em: 17 apr. 2026.