%0 Journal Article
%A Wolfgang Hackbusch
%T The frequency decomposition multi-grid method. II. Convergence analysis based on the additive Schwarz method.
%J Numerische Mathematik
%D 1992
%P 433-454
%V 63
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1992__63_1_133689/
%F NUMA_1992__63_1_133689