Zhang Yun; Sun Jian-Ping; Zhao Juan: Positive solutions for a fourth-order three-point BVP with sign-changing Green’s function. (2018)
Li Xing-Long; Sun Jian-Ping; Kong Fang-Di: Existence of positive solution for a third-order three-point BVP with sign-changing Green’s function. (2013)
Zhang Hai-E; Sun Jian-Ping: Existence and iteration of monotone positive solutions for third-order nonlocal BVPs involving integral conditions. (2012)
Sun Jian-Ping; Ren Qiu-Yan: Existence of solutions for a class of fourth-order m-point boundary value problems. (2010)
Sun Jian-Ping; Ren Qiu-Yan; Zhao Ya-Hong: The upper and lower solution method for nonlinear third-order three-point boundary value problem. (2010)