%0 Journal Article %A A.S. HOUSEHOLDER %A W.B. GRAGG %T On a Theorem of Koenig. %J Numerische Mathematik %D 1966 %P 465-468 %V 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1966__8_131719/ %F NUMA_1966__8_131719