%0 Journal Article %A Benzi, Michele %A Razouk, Nader %T Decay bounds and $O(n)$ algorithms for approximating functions of sparse matrices %J Electronic transactions on numerical analysis %D 2008 %V 28 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2008__28__a11/ %G en %F ETNA_2008__28__a11