%0 Journal Article %A Jean Van Schaftingen %T A simple proof of an inequality of Bourgain, Brezis and Mironescu %J Comptes Rendus. Mathématique %D 2004 %P 23-26 %V 338 %N 1 %I Elsevier %R 10.1016/j.crma.2003.10.036 %G en %F CRMATH_2004__338_1_23_0