TY  - JOUR
AU  - A. I. Stepanets
TI  - Approximation by Fourier operators of functions that are defined
JO  - Doklady Akademii Nauk
PY  - 1988
SP  - 50
EP  - 53
VL  - 303
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1988_303_1_a10/
LA  - ru
ID  - DAN_1988_303_1_a10
ER  -