TY - JOUR AU - Varga, Richard S. AU - Krautstengl, Alan TI - Minimal Gerschgorin sets for partitioned matrices. III: Sharpness of boundaries and monotonicity as a function of the partition JO - Electronic transactions on numerical analysis PY - 1995 SP - 83 EP - 95 VL - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_1995__3__a4/ LA - en ID - ETNA_1995__3__a4 ER -