%0 Journal Article %A Zhou, Chenxing %T Existence and uniqueness of positive solutions to higher-order nonlinear fractional differential equation with integral boundary conditions %J Electronic journal of differential equations %D 2012 %V 2012 %U http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a2/ %G en %F EJDE_2012__2012__a2