%0 Journal Article %A Vandebril, Raf %A Watkins, David S. %T An extension of the $QZ$ algorithm beyond the Hessenberg-upper triangular pencil %J Electronic transactions on numerical analysis %D 2013 %P 17-35 %V 40 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2013__40__a24/ %G en %F ETNA_2013__40__a24