TY  - JOUR
AU  - V. I. Nechaev
TI  - A best-possible estimate of trigonometric sums for recurrent functions with non-constant coefficients
JO  - Doklady Akademii Nauk
PY  - 1964
SP  - 520
EP  - 522
VL  - 154
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1964_154_3_a8/
LA  - ru
ID  - DAN_1964_154_3_a8
ER  -