TY - JOUR AU - Junping Wang AU - P.S. Vassilevski TI - Multilevel iterative methods for mixed finite element discretizations of elliptic problems. JO - Numerische Mathematik PY - 1992 SP - 503 EP - 520 VL - 63 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1992__63_1_133692/ ID - NUMA_1992__63_1_133692 ER -