%0 Journal Article %A Scholz, Reinhard %T $L_\infty $-convergence of saddle-point approximations for second order problems %J ESAIM: Mathematical Modelling and Numerical Analysis %D 1977 %P 209-216 %V 11 %N 2 %I Centrale des revues, Dunod-Gauthier-Villars %C Montreuil %U http://geodesic.mathdoc.fr/item/M2AN_1977__11_2_209_0/ %G en %F M2AN_1977__11_2_209_0