TY - JOUR AU - J. jr. DOUGLAS TI - Alternating Direction Methods for Three Space Variables. JO - Numerische Mathematik PY - 1962 SP - 41 EP - 63 VL - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1962__4_131514/ ID - NUMA_1962__4_131514 ER -