%0 Journal Article %A V. A. Oskolkov %T Hardy--Littlewood problems on the uniform distribution of arithmetic progressions %J Izvestiya. Mathematics %D 1991 %P 169-182 %V 36 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1991_36_1_a8/ %G en %F IM2_1991_36_1_a8