中国科学院数学与系统科学研究院期刊网
AMS
Global Gradient Estimate on Graph and Its Applications
Yong LIN, Shuang LIU, Yun Yan YANG
Acta Mathematica Sinica . 2016, (11): 1350 -1356 .  DOI: 10.1007/s10114-016-5642-9