中国科学院数学与系统科学研究院期刊网
AMS
Clique-Transversal Sets in 4-Regular Claw-Free Graphs
Er Fang SHAN, Li Ying KANG
Acta Mathematica Sinica . 2011, (5): 883 -890 .  DOI: 10.1007/s10114-011-9478-z