TY - JOUR AU - R.S. Varga AU - M. Neumann TI - On the Sharpness of Some Upper Bounds for the Spectral Radii of S.O.R. Iteration Matrices. JO - Numerische Mathematik PY - 1980 SP - 69 EP - 80 VL - 35 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1980__35_186277/ ID - NUMA_1980__35_186277 ER -