@article{DAN_1966_169_1_a0,
     author = {A. A. Karatsuba},
     title = {Asymptotic formulae for a certain class of trigonometric sums},
     journal = {Doklady Akademii Nauk},
     pages = {9--11},
     publisher = {mathdoc},
     volume = {169},
     number = {1},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_169_1_a0/}
}