中国科学院数学与系统科学研究院期刊网
Multiplicity of Solutions for Some Elliptic Equations Involving Fractional Laplacian
ZHAO Xin, CHANG Xiaojun
Acta Mathematicae Applicatae Sinica . 2014, (1): 138 -144 .  DOI: 10.12387/C2014014