@article{05237114,
title = {Positive solutions of boundary value problems for system of nonlinear fourth-order differential equations.},
journal = {Boundary Value Problems [electronic only]},
volume = {2007},
year = {2007},
doi = {10.1155/2007/76493},
zbl = {1139.34304},
language = {en},
url = {http://dml.mathdoc.fr/item/05237114}
}
Xie, Shengli; Zhu, Jiang. Positive solutions of boundary value problems for system of nonlinear fourth-order differential equations.. Boundary Value Problems [electronic only], Tome 2007 (2007) . doi : 10.1155/2007/76493. http://gdmltest.u-ga.fr/item/05237114/