@article{MZM_2015_98_4_a9,
     author = {Yu. N. Shteinikov},
     title = {Estimates of {Trigonometric} {Sums} over {Subgroups} and {Some} of {Their} {Applications}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {606--625},
     publisher = {mathdoc},
     volume = {98},
     number = {4},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2015_98_4_a9/}
}