@incollection{JKKNP11,
 title ={On the accuracy of $\ell_1$-filtering of signals with block-sparse structure},
 author={Anatoli Iouditski and Fatma {K{\i}l{\i}n\c{c} Karzan} and Arkadi S. Nemirovski and Boris T. Polyak},
 booktitle = {Advances in Neural Information Processing Systems 24},
 editor = {J. Shawe-Taylor and R.S. Zemel and P. Bartlett and F.C.N. Pereira and K.Q. Weinberger},
 pages = {1260--1268},
 year = {2011}
}