%0 Journal Article %A A. F. Lavrik %T The sum over the characters of powers of the modulus of the Dirichlet $L$-function in the critical strip %J Doklady Akademii Nauk %D 1964 %P 34-37 %V 154 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_154_1_a7/ %G ru %F DAN_1964_154_1_a7