TY - JOUR AU - E. Gekeler TI - On the Convergence of the von Neumann Difference Approximation to Hyperbolic Initial Boundary Value Problems. JO - Numerische Mathematik PY - 1974 SP - 167 EP - 174 VL - 23 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1974__23_132296/ ID - NUMA_1974__23_132296 ER -