Shen, Wenguo Existence of positive solutions for a semi-positone second-order \(\infty\)-point boundary value problem. (Chinese. English summary) Zbl 1289.34071 J. Huazhong Norm. Univ., Nat. Sci. 47, No. 2, 145-149, 166 (2013). MSC: 34B18 34B10 47N20 34B09 PDFBibTeX XMLCite \textit{W. Shen}, J. Huazhong Norm. Univ., Nat. Sci. 47, No. 2, 145--149, 166 (2013; Zbl 1289.34071)
Shen, Wenguo Multiple positive solutions to singular three-point boundary value problems of a class of second order. (Chinese. English summary) Zbl 1150.34366 J. Huazhong Norm. Univ., Nat. Sci. 41, No. 2, 176-178 (2007). MSC: 34B18 34B10 34B16 47N20 PDFBibTeX XMLCite \textit{W. Shen}, J. Huazhong Norm. Univ., Nat. Sci. 41, No. 2, 176--178 (2007; Zbl 1150.34366)