@article{05637368,
title = {Existence of three positive solutions for },
journal = {Discrete Dynamics in Nature and Society},
volume = {2009},
year = {2009},
doi = {10.1155/2009/538431},
zbl = {1177.34031},
language = {en},
url = {http://dml.mathdoc.fr/item/05637368}
}
Guo, Yanping; Wei, Wenying; Chen, Yuerong. Existence of three positive solutions for . Discrete Dynamics in Nature and Society, Tome 2009 (2009) . doi : 10.1155/2009/538431. http://gdmltest.u-ga.fr/item/05637368/