@article{04134469, title = {Eigenfunction expansion for a regular fourth order eigenvalue problem with eigenvalue parameter in the boundary conditions.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {12}, year = {1989}, pages = {341-348}, doi = {10.1155/S0161171289000396}, zbl = {0693.34022}, language = {en}, url = {http://dml.mathdoc.fr/item/04134469} }
Zayed, E.M.E.; Ibrahim, S.F.M. Eigenfunction expansion for a regular fourth order eigenvalue problem with eigenvalue parameter in the boundary conditions.. International Journal of Mathematics and Mathematical Sciences, Tome 12 (1989) pp. 341-348. doi : 10.1155/S0161171289000396. http://gdmltest.u-ga.fr/item/04134469/