%0 Journal Article %A Angermann, L. %T Addendum to the paper “Numerical solution of second-order equations on plane domains” %J ESAIM: Mathematical Modelling and Numerical Analysis %D 1993 %P 1-7 %V 27 %N 1 %I AFCET - Gauthier-Villars %C Paris %U http://geodesic.mathdoc.fr/item/M2AN_1993__27_1_1_0/ %G en %F M2AN_1993__27_1_1_0