中国科学院数学与系统科学研究院期刊网
The Existence of Even Regular Factors of Regular Graphs on the Number of Cut Edges
Hong Bing FAN, Gui Zhen LIU, Ji Ping LIU, He Ping LONG
Acta Mathematica Sinica . 2010, (12): 2305 -2312 .  DOI: 10.1007/s10114-010-9006-6