%0 Journal Article %A G.W. Stewart %T On the Invariance of Perturbed Null Vectors Under Column Scaling. %J Numerische Mathematik %D 1984 %P 61-66 %V 44 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1984__44_132918/ %F NUMA_1984__44_132918