@article{CRMATH_2011__349_21-22_1145_0, author = {Nikolova, Mila}, title = {Solve exactly an under determined linear system by minimizing least squares regularized with an $ {\ell }_{0}$ penalty}, journal = {Comptes Rendus. Math\'ematique}, pages = {1145--1150}, publisher = {Elsevier}, volume = {349}, number = {21-22}, year = {2011}, doi = {10.1016/j.crma.2011.08.011}, language = {en}, url = {http://www.numdam.org/articles/10.1016/j.crma.2011.08.011/} }