中国科学院数学与系统科学研究院期刊网
AMS
Some Uniqueness Results for a Class of Quasilinear Elliptic Eigenvalue Problems
Guo Zongming, Yang Zuodong
Acta Mathematica Sinica . 1998, (2): 245 -260 .  DOI: 10.1007/BF02560211