%0 Journal Article %A A. Louis %T Acceleration of Convergence for Finite Element Solutions of the Poisson Equation. %J Numerische Mathematik %D 1979 %P 43-54 %V 33 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1979__33_132627/ %F NUMA_1979__33_132627