%0 Journal Article %A W. Walter %A C.U. Huy %A P.J. McKenna %T Finite Difference Approximations to the Dirichlet Problem for Elliptic Systems. %J Numerische Mathematik %D 1986 %P 227-238 %V 49 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1986__49_133109/ %F NUMA_1986__49_133109