中国科学院数学与系统科学研究院期刊网
Faber-Krahn Inequality for Robin Problems Involving p-Laplacian
Qiu-yi Dai, Yu-xia Fu
Acta Mathematicae Applicatae Sinica(English Series) . 2011, (1): 13 -28 .  DOI: 10.1007/s10255-011-0036-3