Yongping Sun

Positive solutions for third-order three-point nonhomogeneous boundary value problems

Yongping Sun, Yongping Sun, 2009, Appl. Math. Lett..

Monotone positive solutions of second-order multi-point boundary value problems

Xiaoping Zhang, Yongping Sun, Yongping Sun, 2009, Appl. Math. Comput..

Positive solutions for a class of fractional differential equations with integral boundary conditions

Min Zhao, Yongping Sun, Min Zhao, 2014, Appl. Math. Lett..

On the existence of positive solutions for singular boundary value problems on the half-line

Lokenath Debnath, Yan Lindsay Sun, Yongping Sun, 2009, Appl. Math. Lett..