@article{MZM_2018_103_5_a6,
     author = {M. A. Korolev},
     title = {Elementary {Proof} of an {Estimate} for {Kloosterman} {Sums} with {Primes}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {720--729},
     publisher = {mathdoc},
     volume = {103},
     number = {5},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2018_103_5_a6/}
}