%0 Journal Article %A Dubrulle, A.A. %T Retooling the method of block conjugate gradients %J Electronic transactions on numerical analysis %D 2001 %P 216-233 %V 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2001__12__a1/ %G en %F ETNA_2001__12__a1