@article{EJDE_2012__2012__a86, author = {Li, Haitao and Kong, Xiangshan and Yu, Changtian}, title = {Existence of three non-negative solutions for a three-point boundary-value problem of nonlinear fractional differential equations}, journal = {Electronic Journal of Differential Equations}, publisher = {mathdoc}, volume = {2012}, year = {2012}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a86/} }