%0 Journal Article %A Rob Stevenson %T Robustness of multi-grid applied to anisotropic equations on convex domains with re-entrant corners. %J Numerische Mathematik %D 1993 %P 373-398 %V 66 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1993__66_3_133768/ %F NUMA_1993__66_3_133768