%0 Journal Article %A W. Hackbusch %T Extrapolation Applied to Certain Discretization Methods Solving the Initial Value Problem for Hyperbolic Differential Equations. %J Numerische Mathematik %D 1977 %P 121-142 %V 28 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1977__28_132478/ %F NUMA_1977__28_132478