@article{01125937,
title = {Solutions to perturbed eigenvalue problems of the },
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {1997},
year = {1997},
zbl = {0885.35030},
language = {en},
url = {http://dml.mathdoc.fr/item/01125937}
}
Bezerra do Ó, João Marcos. Solutions to perturbed eigenvalue problems of the . Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 1997 (1997) . http://gdmltest.u-ga.fr/item/01125937/