%0 Journal Article %A N. M. Akulinichev %T Bounds for rational trigonometric sums of a special type %J Doklady Akademii Nauk %D 1965 %P 743-745 %V 161 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_161_4_a0/ %G ru %F DAN_1965_161_4_a0