TY - JOUR AU - A. HADJIDIMOS TI - The Numerical Solution of a Model Problem Biharmonic Equation by Using Extrapolated Altering Direction Implicit Methods. JO - Numerische Mathematik PY - 1971 SP - 301 EP - 317 VL - 17 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1971__17_132079/ ID - NUMA_1971__17_132079 ER -