%0 Journal Article %A J. TODD %T On Smallest Isolated Gerschgorin Disks for Eigenvalues. %J Numerische Mathematik %D 1965 %P 171-175 %V 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1965__7_131648/ %F NUMA_1965__7_131648