@article{ETNA_2008__28__a11,
     author = {Benzi,  Michele and Razouk,  Nader},
     title = {Decay bounds and {\(O(n)\)} algorithms for approximating functions of sparse matrices},
     journal = {Electronic transactions on numerical analysis},
     year = {2008},
     volume = {28},
     zbl = {1171.65034},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2008__28__a11/}
}