@article{04165456, title = {Biharmonic eigenvalue problems and }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {13}, year = {1990}, pages = {469-480}, doi = {10.1155/S0161171290000692}, zbl = {0709.35035}, language = {en}, url = {http://dml.mathdoc.fr/item/04165456} }
Gupta, Chaitan P.; Kwong, Ying C. Biharmonic eigenvalue problems and . International Journal of Mathematics and Mathematical Sciences, Tome 13 (1990) pp. 469-480. doi : 10.1155/S0161171290000692. http://gdmltest.u-ga.fr/item/04165456/