%0 Journal Article
%A J. Douglas, Jr.
%A Milner, F. A.
%T Interior and superconvergence estimates for mixed methods for second order elliptic problems
%J ESAIM: Mathematical Modelling and Numerical Analysis 
%D 1985
%P 397-428
%V 19
%N 3
%I AFCET - Gauthier-Villars
%C Paris
%U http://geodesic.mathdoc.fr/item/M2AN_1985__19_3_397_0/
%G en
%F M2AN_1985__19_3_397_0