%0 Journal Article
%A Ricardo Durán
%T Superconvergence for rectangular mixed finite elements.
%J Numerische Mathematik
%D 1990
%P 287-298
%V 58
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1990__58_5_133502/
%F NUMA_1990__58_5_133502