%0 Journal Article %A Guido Walz %T A Contour Integral Representation of Linear Extrapolation Methods. %J Numerische Mathematik %D 1987 %P 477-480 %V 55 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1987__55_4_133365/ %F NUMA_1987__55_4_133365