中国科学院数学与系统科学研究院期刊网
AMS
Properties of π-skew Graphs with Applications
Zhang Dong OUYANG, Feng Ming DONG, Rui Xue ZHANG, Eng Guan TAY
Acta Mathematica Sinica . 2021, (4): 641 -656 .  DOI: 10.1007/s10114-020-9378-1