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The existence and uniqueness of positive solutions for integral boundary value problems. Mao, Jinxiu, Zhao, Zengqin, Xu, Naiwei (2011) Bulletin of the Malaysian Mathematical Sciences Society. Second Series
The existence of positive solution to three-point singular boundary value problem of fractional differential equation. Tian, Yuansheng, Chen, Anping (2009) Abstract and Applied Analysis
Three positive solutions for a system of singular generalized Lidstone problems. Xu, Jiafa, Yang, Zhilin (2009) Electronic Journal of Differential Equations (EJDE) [electronic only]
Triple positive solutions for a type of second-order singular boundary problems. Li, Jiemei, Wang, Jinxiang (2010) Boundary Value Problems [electronic only]
Two-point boundary value problems for higher-order linear differential equations with strong singularities. Agarwal, R.P., Kiguradze, I. (2006) Boundary Value Problems [electronic only]