中国科学院数学与系统科学研究院期刊网
SOME RESULT ON THE GRAPHIC ISOLATED TOUGHNESS AND THE EXISTENCE OF FRACTIONAL FACTOR
Zhen Ping LI, Gui Ying YAN
Acta Mathematicae Applicatae Sinica . 2004, (2): 324 -333 .  DOI: 10.12387/C2004037