@article{05312434,
title = {Existence result for a class of elliptic systems with indefinite weights in },
journal = {Boundary Value Problems [electronic only]},
volume = {2008},
year = {2008},
doi = {10.1155/2008/217636},
zbl = {1180.35216},
language = {en},
url = {http://dml.mathdoc.fr/item/05312434}
}
Zhang, Guoqing; Liu, Sanyang. Existence result for a class of elliptic systems with indefinite weights in . Boundary Value Problems [electronic only], Tome 2008 (2008) . doi : 10.1155/2008/217636. http://gdmltest.u-ga.fr/item/05312434/