@article{05791642,
title = {Upper and lower solutions method for a class of singular fractional boundary value problems with },
journal = {Abstract and Applied Analysis},
volume = {2010},
year = {2010},
doi = {10.1155/2010/971824},
zbl = {1209.34005},
language = {en},
url = {http://dml.mathdoc.fr/item/05791642}
}
Wang, Jinhua; Xiang, Hongjun. Upper and lower solutions method for a class of singular fractional boundary value problems with . Abstract and Applied Analysis, Tome 2010 (2010) . doi : 10.1155/2010/971824. http://gdmltest.u-ga.fr/item/05791642/