@article{02100264,
title = {Existence of positive solutions for fractional differential equations with Riemann-Liouville left-hand and right-hand fractional derivatives.},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {2004},
year = {2004},
zbl = {1050.34003},
language = {en},
url = {http://dml.mathdoc.fr/item/02100264}
}
Zhang, Shuqin. Existence of positive solutions for fractional differential equations with Riemann-Liouville left-hand and right-hand fractional derivatives.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2004 (2004) . http://gdmltest.u-ga.fr/item/02100264/