@article{05312516,
title = {Triple positive solutions of fourth-order four-point boundary value problems for },
journal = {Advances in Difference Equations [electronic only]},
volume = {2008},
year = {2008},
doi = {10.1155/2008/496078},
zbl = {1149.34012},
language = {en},
url = {http://dml.mathdoc.fr/item/05312516}
}
Feng, Mei-Qiang; Li, Xiang-Gui; Ge, Wei-Gao. Triple positive solutions of fourth-order four-point boundary value problems for . Advances in Difference Equations [electronic only], Tome 2008 (2008) . doi : 10.1155/2008/496078. http://gdmltest.u-ga.fr/item/05312516/