Boundary value problem for a coupled system of nonlinear fractional differential equations. - Xinwei Su (Appl. Math. Lett., 2009)

Unbounded solutions to a boundary value problem of fractional order on the half-line. - Xinwei Su; Shuqin Zhang (Comput. Math. Appl., 2011)

The existence of a solution for a fractional differential equation with nonlinear boundary conditions considered using upper and lower solutions in reverse order. - Shuqin Zhang; Xinwei Su (Comput. Math. Appl., 2011)

Positive solutions to singular boundary value problems for fractional functional differential equations with changing sign nonlinearity. - Xinwei Su (Comput. Math. Appl., 2012)