TY - JOUR AU - Harry Yserentant AU - F. Bornemann TI - A basic norm equivalence for the theory of multilevel methods. JO - Numerische Mathematik PY - 1993 SP - 455 EP - 476 VL - 64 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1993__64_2_133715/ ID - NUMA_1993__64_2_133715 ER -