TY  - JOUR
AU  - A. A. Karatsuba
TI  - Sums of characters with prime numbers in an arithmetic progression
JO  - Izvestiya. Mathematics 
PY  - 1971
SP  - 485
EP  - 501
VL  - 5
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1971_5_3_a1/
LA  - en
ID  - IM2_1971_5_3_a1
ER  -