@article{TM_1994_207_a11,
     author = {D. I. Ismoilov},
     title = {Estimates of complete trigonometric sums},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {153--171},
     year = {1994},
     volume = {207},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1994_207_a11/}
}