%0 Journal Article
%A P. Oswald
%T On a hierarchical basis multilevel method with nonconforming P1 elements.
%J Numerische Mathematik
%D 1992
%P 189-212
%V 62
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1992__62_1_133648/
%F NUMA_1992__62_1_133648