%0 Journal Article
%A Junping Wang
%T Asymptotic Expansions and L...-Error Estimates for Mixed Finite Element Methods for Second Order Elliptic Problems.
%J Numerische Mathematik
%D 1987
%P 401-430
%V 55
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1987__55_4_133361/
%F NUMA_1987__55_4_133361