@article{05237135, title = {Existence of positive solutions for fourth-order three-point boundary value problems.}, journal = {Boundary Value Problems [electronic only]}, volume = {2006}, year = {2006}, doi = {10.1155/2007/68758}, zbl = {1148.34005}, language = {en}, url = {http://dml.mathdoc.fr/item/05237135} }
Bai, Chuanzhi. Existence of positive solutions for fourth-order three-point boundary value problems.. Boundary Value Problems [electronic only], Tome 2006 (2006) . doi : 10.1155/2007/68758. http://gdmltest.u-ga.fr/item/05237135/