%0 Journal Article %A Babakhani, Azizollah %A Daftardar-Gejji, Varsha %T Existence of positive solutions for multi-term non-autonomous fractional differential equations with polynomial coefficients %J Electronic Journal of Differential Equations %D 2006 %V 2006 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2006__2006__a6/ %G en %F EJDE_2006__2006__a6