中国科学院数学与系统科学研究院期刊网
On Positive Solutions for Singular Boundary Value Problems with $p$-Laplacian Operator Systems
Xin An HAOLIU Li-Shan
Acta Mathematica Sinica, Chinese Series . 2008, (6): 1229 -123 .  DOI: 10.12386/A2008sxxb0143