%0 Journal Article %A Ammar, Gregory %A Benner, Peter %A Mehrmann, Volker %T A multishift algorithm for the numerical solution of algebraic Riccati equations %J Electronic transactions on numerical analysis %D 1993 %P 33-48 %V 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_1993__1__a4/ %G en %F ETNA_1993__1__a4