%0 Journal Article %A Dossal, Charles %T A necessary and sufficient condition for exact sparse recovery by $ {\ell }_{1}$ minimization %J Comptes Rendus. Mathématique %D 2012 %P 117-120 %V 350 %N 1-2 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2011.12.014/ %R 10.1016/j.crma.2011.12.014 %G en %F CRMATH_2012__350_1-2_117_0