@article{05311255, title = {Homotopy perturbation method for solving fourth-order boundary value problems.}, journal = {Mathematical Problems in Engineering}, volume = {2007}, year = {2007}, doi = {10.1155/2007/98602}, zbl = {1144.65311}, language = {en}, url = {http://dml.mathdoc.fr/item/05311255} }
Mohyud-Din, Syed Tauseef; Noor, Muhammad Aslam. Homotopy perturbation method for solving fourth-order boundary value problems.. Mathematical Problems in Engineering, Tome 2007 (2007) . doi : 10.1155/2007/98602. http://gdmltest.u-ga.fr/item/05311255/