TY - JOUR AU - W. Walter AU - C.U. Huy AU - P.J. McKenna TI - Finite Difference Approximations to the Dirichlet Problem for Elliptic Systems. JO - Numerische Mathematik PY - 1986 SP - 227 EP - 238 VL - 49 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1986__49_133109/ ID - NUMA_1986__49_133109 ER -