Existence of solutions for a class of fourth-order m -point boundary value problems. Sun, Jian-Ping; Ren, Qiu-Yan — 2010 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Existence of solution for third order m-point boundary value problem. Sun, Jian-Ping; Ren, Qiu-Yan — 2010 Applied Mathematics E-Notes [electronic only]
The upper and lower solution method for nonlinear third-order three-point boundary value problem. Sun, Jian-Ping; Ren, Qiu-Yan; Zhao, Ya-Hong — 2010 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]