%0 Journal Article %A François Malgouyres %A Mila Nikolova %T Average performance of the approximation in a dictionary using an $ {\ell }_{0}$ objective %J Comptes Rendus. Mathématique %D 2009 %P 565-570 %V 347 %N 9-10 %I Elsevier %R 10.1016/j.crma.2009.02.026 %G en %F CRMATH_2009__347_9-10_565_0