%0 Journal Article %A A. A. Karatsuba %T Moscow talk: the theorem on approximation of trigonometric sum by a short one (ATS) %J Čebyševskij sbornik %D 2015 %P 6-18 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2015_16_1_a0/ %G ru %F CHEB_2015_16_1_a0