%0 Journal Article %A P. HENRICI %T Bounds for iterates, inverses, spectral variation and fields of values of non-normal matrices. %J Numerische Mathematik %D 1962 %P 24-40 %V 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1962__4_131513/ %F NUMA_1962__4_131513