%0 Journal Article %A J.H. BRAMBLE %T On the Convergence of Difference Approximations to Weak Solutions of Dirichlet's Problem. %J Numerische Mathematik %D 1969 %P 101-111 %V 13 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1969__13_131902/ %F NUMA_1969__13_131902