@article{M2AN_1977__11_2_209_0,
     author = {Scholz, Reinhard},
     title = {$L_\infty $-convergence of saddle-point approximations for second order problems},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {209--216},
     publisher = {Centrale des revues, Dunod-Gauthier-Villars},
     address = {Montreuil},
     volume = {11},
     number = {2},
     year = {1977},
     mrnumber = {448942},
     zbl = {0356.35026},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/M2AN_1977__11_2_209_0/}
}