QIAN Yuan-yuan,LI Yong-xiang. Existence and Multiplicity of Positive Solutions for Nonlinear Second Order Boundary Value Problems for Integro-differential Equations[J]. Journal of Hebei University (Natural Science Edition), 2011, 31(5): 456-461.
[1] 李永祥, 晏锐. 二阶非线性积分-微分方程边值问题的正解 [J]. 兰州大学学报(自然科学版) 2002.doi:10.3321/j.issn:0455-2059.2002.04.001 [2] 李永祥. 四阶边值问题正解的存在性与多解性 [J]. 应用数学学报 2003.doi:10.3321/j.issn:0254-3079.2003.01.011 [3] GUPTA C P. Existence and uniquencess theorems for a bending of an elastic beam equation [J]. Applicable Analysis 1988, 26. [4] GUPTA C P. Existence and uniquencess results for a bending of an elastic beam equation at resonance [J]. Journal of Mathematical Analysis and Applications 1988, 135. [5] 郭大均. 非线性泛函分析 [M]. 济南:山东科学技术出版社 2001.
