@article{IM2_1988_30_2_a7,
     author = {O. V. Tyrina},
     title = {A~new estimate for a~trigonometric integral of {I.} {M.~Vinogradov}},
     journal = {Izvestiya. Mathematics},
     pages = {337--351},
     year = {1988},
     volume = {30},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1988_30_2_a7/}
}