%0 Journal Article
%A Bercovier, M.
%T Perturbation of mixed variational problems. Application to mixed finite element methods
%J ESAIM: Mathematical Modelling and Numerical Analysis 
%D 1978
%P 211-236
%V 12
%N 3
%I Centrale des revues, Dunod-Gauthier-Villars
%C Montreuil
%U http://geodesic.mathdoc.fr/item/M2AN_1978__12_3_211_0/
%G en
%F M2AN_1978__12_3_211_0