TY - JOUR AU - W. Hackbusch TI - Extrapolation Applied to Certain Discretization Methods Solving the Initial Value Problem for Hyperbolic Differential Equations. JO - Numerische Mathematik PY - 1977 SP - 121 EP - 142 VL - 28 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1977__28_132478/ ID - NUMA_1977__28_132478 ER -