%0 Journal Article %A Joel A. Tropp %T Norms of random submatrices and sparse approximation %J Comptes Rendus. Mathématique %D 2008 %P 1271-1274 %V 346 %N 23-24 %I Elsevier %R 10.1016/j.crma.2008.10.008 %G en %F CRMATH_2008__346_23-24_1271_0