中国科学院数学与系统科学研究院期刊网
AMS
A Normal Criterion about Two Families of Meromorphic Functions Concerning Shared Values
Xiao Jun LIU, San Hua LI, Xue Cheng PANG
Acta Mathematica Sinica . 2013, (1): 151 -158 .  DOI: 10.1007/s10114-012-0600-7