TY - JOUR AU - R. Beauwens TI - Erratum. Factorization Iterative Methods, M-operators and H-Operators. (Num. Math. 31, 335-357 (1979)). JO - Numerische Mathematik PY - 1986 SP - 457 EP - 458 VL - 49 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1986__49_251451/ ID - NUMA_1986__49_251451 ER -