%0 Journal Article
%A Brezzi, F.
%T On the existence, uniqueness and approximation of saddle-point problems arising from lagrangian multipliers
%J ESAIM: Mathematical Modelling and Numerical Analysis 
%D 1974
%P 129-151
%V 8
%N R2
%I Dunod
%C Paris
%U http://geodesic.mathdoc.fr/item/M2AN_1974__8_2_129_0/
%G en
%F M2AN_1974__8_2_129_0