%0 Journal Article %A Varga, Richard S. %A Krautstengl, Alan %T Minimal Gerschgorin sets for partitioned matrices. III: Sharpness of boundaries and monotonicity as a function of the partition %J Electronic transactions on numerical analysis %D 1995 %P 83-95 %V 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_1995__3__a4/ %G en %F ETNA_1995__3__a4