TY - JOUR AU - S. G. Merzlyakov TI - On the closedness of the image of a~difference operator with constant differences JO - Algebra i analiz PY - 1995 SP - 182 EP - 203 VL - 7 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_1995_7_5_a4/ LA - ru ID - AA_1995_7_5_a4 ER -