@article{05142125,
title = {Positive solutions of four-point boundary-value problems for higher-order with },
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {2007},
year = {2007},
zbl = {1118.34021},
language = {en},
url = {http://dml.mathdoc.fr/item/05142125}
}
Zhou, Yunming; Su, Hua. Positive solutions of four-point boundary-value problems for higher-order with . Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2007 (2007) . http://gdmltest.u-ga.fr/item/05142125/