@article{GDZPPN002331810,
title = {On the Eigenvalues of Nonselfadjoint Problems Involving Indefinite Weights.},
journal = {Mathematische Annalen},
volume = {280},
year = {1988},
pages = {369-378},
zbl = {0629.34024},
url = {http://dml.mathdoc.fr/item/GDZPPN002331810}
}
Faierman, M. On the Eigenvalues of Nonselfadjoint Problems Involving Indefinite Weights.. Mathematische Annalen, Tome 280 (1988) pp. 369-378. http://gdmltest.u-ga.fr/item/GDZPPN002331810/