%0 Journal Article %A V. THOMe;E %T Convergence Near Plane Boundaries of Some Elliptic Difference Schemes. %J Numerische Mathematik %D 1971 %P 45-53 %V 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1971__17_132056/ %F NUMA_1971__17_132056