@article{04039177, title = {Two new finite difference methods for computing eigenvalues of a fourth order linear boundary value problem.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {10}, year = {1987}, pages = {525-530}, doi = {10.1155/S0161171287000620}, zbl = {0637.65081}, language = {en}, url = {http://dml.mathdoc.fr/item/04039177} }
Usmani, Riaz A.; Sakai, Manabu. Two new finite difference methods for computing eigenvalues of a fourth order linear boundary value problem.. International Journal of Mathematics and Mathematical Sciences, Tome 10 (1987) pp. 525-530. doi : 10.1155/S0161171287000620. http://gdmltest.u-ga.fr/item/04039177/