@article{05038302,
title = {An extension of the topological degree in Hilbert space.},
journal = {Abstract and Applied Analysis},
volume = {2005},
year = {2005},
pages = {581-597},
doi = {10.1155/AAA.2005.581},
zbl = {1117.47048},
language = {en},
url = {http://dml.mathdoc.fr/item/05038302}
}
Berkovits, J.; Fabry, C. An extension of the topological degree in Hilbert space.. Abstract and Applied Analysis, Tome 2005 (2005) pp. 581-597. doi : 10.1155/AAA.2005.581. http://gdmltest.u-ga.fr/item/05038302/