Triple positive solutions for second-order four-point boundary value problem with sign changing nonlinearities. Xie, Dapeng; Liu, Yang; Bai, Chuanzhi — 2009 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Green's function and positive solutions of a singular n th-order three-point boundary value problem on time scales. Xie, Dapeng; Liu, Yang; Bai, Chuanzhi — 2009 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Existence of multiple positive solutions of higher order multi-point nonhomogeneous boundary value problem. Xie, Dapeng; Liu, Yang; Bai, Chuanzhi — 2010 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Positive solutions for nonlinear semipositone n th-order boundary value problems. Xie, Dapeng; Bai, Chuanzhi; Liu, Yang; Wang, Chunli — 2008 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Existence of positive solutions for nth-order boundary value problem with sign changing nonlinearity. Xie, Dapeng; Bai, Chuanzhi; Liu, Yang; Wang, Chunli — 2008 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]