@article{05038311, title = {A degree theory for compact perturbations of proper }, journal = {Abstract and Applied Analysis}, volume = {2005}, year = {2005}, pages = {707-731}, doi = {10.1155/AAA.2005.707}, zbl = {1117.47049}, language = {en}, url = {http://dml.mathdoc.fr/item/05038311} }
Rabier, Patrick J.; Salter, Mary F. A degree theory for compact perturbations of proper . Abstract and Applied Analysis, Tome 2005 (2005) pp. 707-731. doi : 10.1155/AAA.2005.707. http://gdmltest.u-ga.fr/item/05038311/