@article{05142093,
title = {Existence of positive solutions for multi-term non-autonomous fractional differential equations with polynomial coefficients.},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {2006},
year = {2006},
zbl = {1116.26003},
language = {en},
url = {http://dml.mathdoc.fr/item/05142093}
}
Babakhani, Azizollah; Daftardar-Gejji, Varsha. Existence of positive solutions for multi-term non-autonomous fractional differential equations with polynomial coefficients.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2006 (2006) . http://gdmltest.u-ga.fr/item/05142093/