中国科学院数学与系统科学研究院期刊网
Oscillation Theorems for Nonlinear Second Order Elliptic Equations
Zhi-ting Xu
Oscillation Theorems for Nonlinear Second Order Elliptic Equations
Zhi-ting Xu
应用数学学报(英文版) . 2007, (4): 569 -578 .