@article{05897640,
title = {Multiple solutions of },
journal = {Boundary Value Problems [electronic only]},
volume = {2011},
year = {2011},
doi = {10.1155/2011/214289},
zbl = {1221.35177},
language = {en},
url = {http://dml.mathdoc.fr/item/05897640}
}
Zhang, Jing; Xue, Xiaoping. Multiple solutions of . Boundary Value Problems [electronic only], Tome 2011 (2011) . doi : 10.1155/2011/214289. http://gdmltest.u-ga.fr/item/05897640/