%0 Journal Article
%A Ziping Huang
%T A Multi-Grid Algorithm for Mixed Problems with Penalty.
%J Numerische Mathematik
%D 1990
%P 227-248
%V 57
%N 6-7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1990__57_6-7_133446/
%F NUMA_1990__57_6-7_133446