TY  - JOUR
AU  - A. F. Lavrik
TI  - An analytic method of estimating trigonometric sums over primes in an arithmetic progression
JO  - Doklady Akademii Nauk
PY  - 1979
SP  - 1059
EP  - 1063
VL  - 248
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1979_248_5_a7/
LA  - ru
ID  - DAN_1979_248_5_a7
ER  -