%0 Journal Article %A Steve Batterson %T Convergence of the shifted QR algorithm on 3 x 3 normal matrices. %J Numerische Mathematik %D 1990 %P 341-352 %V 58 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1990__58_5_133505/ %F NUMA_1990__58_5_133505