@article{2833,
author = {Zaman, F.D.},
title = {Perturbation of a biharmonic eigenvalue problem},
journal = {Portugaliae mathematica},
volume = {36},
year = {1977},
pages = {271-278},
zbl = {0457.31004},
mrnumber = {0597849},
language = {en},
url = {http://dml.mathdoc.fr/item/2833}
}
Zaman, F.D. Perturbation of a biharmonic eigenvalue problem. Portugaliae mathematica, Tome 36 (1977) pp. 271-278. http://gdmltest.u-ga.fr/item/2833/