@article{05825767,
title = {Multiple positive solutions for },
journal = {Boundary Value Problems [electronic only]},
volume = {2011},
year = {2011},
doi = {10.1155/2011/591219},
zbl = {1208.34146},
language = {en},
url = {http://dml.mathdoc.fr/item/05825767}
}
Liu, Jie; Sun, Hong-Rui. Multiple positive solutions for . Boundary Value Problems [electronic only], Tome 2011 (2011) . doi : 10.1155/2011/591219. http://gdmltest.u-ga.fr/item/05825767/