%0 Journal Article
%A F. Brezzi
%A J., Jr. Douglas
%A L.D. Marini
%T Two Families of Mixed Finite Elements for Second Order Elliptic Problems.
%J Numerische Mathematik
%D 1985
%P 217-236
%V 47
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1985__47_133032/
%F NUMA_1985__47_133032