中国科学院数学与系统科学研究院期刊网
二阶奇异非线性边值条件的上下解方法
郭彦平;葛渭高;朱玉峻
An Upper and Lower Solution Approach to Singular Second Order Ordinary Differential Equations with Nonlinear Boundary Conditions
Yan Ping GUO(1),Wei Gao GE(2),
数学学报 . 2003, (5): 1007 -101 .  DOI: 10.12386/A2003sxxb0134