中国科学院数学与系统科学研究院期刊网
AMS
A Toughness Condition for Fractional (k, m)-deleted Graphs Revisited
Wei GAO, Juan L. G. GUIRAO, Yao Jun CHEN
Acta Mathematica Sinica . 2019, (7): 1227 -1237 .  DOI: 10.1007/s10114-019-8169-z