@article{01821302,
title = {Elliptic problems with nonmonotone discontinuities at resonance.},
journal = {Abstract and Applied Analysis},
volume = {7},
year = {2002},
pages = {497-507},
doi = {10.1155/S1085337502203061},
zbl = {1033.35027},
language = {en},
url = {http://dml.mathdoc.fr/item/01821302}
}
Nikolaos, Halidias. Elliptic problems with nonmonotone discontinuities at resonance.. Abstract and Applied Analysis, Tome 7 (2002) pp. 497-507. doi : 10.1155/S1085337502203061. http://gdmltest.u-ga.fr/item/01821302/