中国科学院数学与系统科学研究院期刊网
AMS
Entire Functions Sharing an Entire Function of Smaller Order with Their Difference Operators
Xiao Min LI, Hong Xun YI
Acta Mathematica Sinica . 2014, (3): 481 -498 .  DOI: 10.1007/s10114-014-2042-x