TY - JOUR AU - J. JR. DOUGLAS AU - C.M. PEARCY TI - On Convergence of Alternating Direction Procedures in the Presence of Singular Operators. JO - Numerische Mathematik PY - 1963 SP - 175 EP - 184 VL - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1963__5_131564/ ID - NUMA_1963__5_131564 ER -