@article{04071752,
title = {Fredholm theory and semilinear equations without resonance involving noncompact perturbations. I.},
journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie},
volume = {42(56)},
year = {1987},
pages = {71-82},
zbl = {0656.47056},
language = {en},
url = {http://dml.mathdoc.fr/item/04071752}
}
Milojević, P.S. Fredholm theory and semilinear equations without resonance involving noncompact perturbations. I.. Publications de l'Institut Mathématique. Nouvelle Série, Tome 42(56) (1987) pp. 71-82. http://gdmltest.u-ga.fr/item/04071752/