TY - JOUR AU - Bernd Hofmann AU - Peter Mathé TI - A note on the modulus of continuity for ill-posed problems in Hilbert space JO - Trudy Instituta matematiki i mehaniki PY - 2012 SP - 34 EP - 41 VL - 18 IS - 1 UR - http://geodesic.mathdoc.fr/item/TIMM_2012_18_1_a2/ LA - en ID - TIMM_2012_18_1_a2 ER -