TY - JOUR AU - Tarek P. Mathew TI - Schwarz alternating and iterative refinemnt methods for mixed formulations of elliptic problems, part I: algorithms and numerical results. JO - Numerische Mathematik PY - 1993 SP - 445 EP - 468 VL - 65 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1993__65_4_133745/ ID - NUMA_1993__65_4_133745 ER -