@article{DAN_1986_286_2_a9,
     author = {S. A. Stepanov},
     title = {Estimation of rational trigonometric sums on ``algebraic},
     journal = {Doklady Akademii Nauk},
     pages = {298--301},
     publisher = {mathdoc},
     volume = {286},
     number = {2},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_286_2_a9/}
}