TY - JOUR AU - Eberhard Schock TI - Semi-Iterative Methods for the Approximate Solution of Ill-Posed Problems. JO - Numerische Mathematik PY - 1986 SP - 263 EP - 272 VL - 50 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1986__50_133152/ ID - NUMA_1986__50_133152 ER -