%0 Journal Article %A Jean Bourgain %A Haïm Brezis %A Hoai-Minh Nguyen %T A new estimate for the topological degree %J Comptes Rendus. Mathématique %D 2005 %P 787-791 %V 340 %N 11 %I Elsevier %R 10.1016/j.crma.2005.04.007 %G en %F CRMATH_2005__340_11_787_0