中国科学院数学与系统科学研究院期刊网
Infinitely Many Solutions for a Superlinear Elliptic Equation
Shi Bo LIU,Shu Jie LI
Acta Mathematica Sinica, Chinese Series . 2003, (4): 625 -630 .  DOI: 10.12386/A2003sxxb0084