中国科学院数学与系统科学研究院期刊网
Positive Solutions of Singular (κ, n-κ) Multi-Point Boundary Value Problems
Guo Wei ZHANG(1), Jing Xian SU
Acta Mathematica Sinica, Chinese Series . 2006, (2): 391 -398 .  DOI: 10.12386/A2006sxxb0049