TY - JOUR AU - V. D. Stepanov TI - On a~problem for integral convolution operators JO - Sbornik. Mathematics PY - 1984 SP - 211 EP - 221 VL - 48 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1984_48_1_a12/ LA - en ID - SM_1984_48_1_a12 ER -