%0 Journal Article
%A R.A. Nicolaides
%A G.J. Fix
%A M.D. Gunzburger
%T On Mixed Finite Element Methods for First Order Elliptic Systems.
%J Numerische Mathematik
%D 1981
%P 29-48
%V 37
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1981__37_132716/
%F NUMA_1981__37_132716