-
А. А. Карацуба, “Арифметические проблемы теории характеров Дирихле”, УМН, 63:4(382) (2008),
43–92 
; A. A. Karatsuba, “Arithmetic problems in the theory of Dirichlet characters”, Russian Math. Surveys, 63:4 (2008), 641–690 
; A. A. Karatsuba, “Arithmetic problems in the theory of Dirichlet characters”, Russian Math. Surveys, 63:4 (2008),