TY  - JOUR
AU  - S. G. Merzlyakov
TI  - On the closedness of the range of a difference operator
JO  - Doklady Akademii Nauk
PY  - 1993
SP  - 141
EP  - 142
VL  - 328
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1993_328_2_a2/
LA  - ru
ID  - DAN_1993_328_2_a2
ER  -