%0 Journal Article %A Seymour V. Parter %T Estimates for Multigrid Methods Based on Red-Black Gauss-Seidel Smoothings. %J Numerische Mathematik %D 1987 %P 701-723 %V 52 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1987__52_5_133261/ %F NUMA_1987__52_5_133261