%0 Journal Article
%A Nakao, Mitsuhiro T.
%T Superconvergence of the gradient of Galerkin approximations for elliptic problems
%J ESAIM: Mathematical Modelling and Numerical Analysis 
%D 1987
%P 679-695
%V 21
%N 4
%I AFCET - Gauthier-Villars
%C Paris
%U http://geodesic.mathdoc.fr/item/M2AN_1987__21_4_679_0/
%G en
%F M2AN_1987__21_4_679_0