%0 Journal Article
%A Lesaint, Pierre
%A Zlamal, Milos
%T Superconvergence of the gradient of finite element solutions
%J ESAIM: Mathematical Modelling and Numerical Analysis 
%D 1979
%P 139-166
%V 13
%N 2
%I Centrale des revues, Dunod-Gauthier-Villars
%C Montreuil
%U http://geodesic.mathdoc.fr/item/M2AN_1979__13_2_139_0/
%G en
%F M2AN_1979__13_2_139_0