%0 Journal Article
%A A. A. Karatsuba
%T Sums of characters with prime numbers in an arithmetic progression
%J Izvestiya. Mathematics 
%D 1971
%P 485-501
%V 5
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1971_5_3_a1/
%G en
%F IM2_1971_5_3_a1