@article{05038343, title = {A degree theory for a class of perturbed Fredholm maps.}, journal = {Fixed Point Theory and Applications [electronic only]}, volume = {2005}, year = {2005}, pages = {185-206}, doi = {10.1155/FPTA.2005.185}, zbl = {1096.47056}, language = {en}, url = {http://dml.mathdoc.fr/item/05038343} }
Benevieri, Pierluigi; Calamai, Alessandro; Furi, Massimo. A degree theory for a class of perturbed Fredholm maps.. Fixed Point Theory and Applications [electronic only], Tome 2005 (2005) pp. 185-206. doi : 10.1155/FPTA.2005.185. http://gdmltest.u-ga.fr/item/05038343/