@article{TRSPY_2017_296_a12,
     author = {M. A. Korolev},
     title = {Generalized {Kloosterman} sum with primes},
     journal = {Informatics and Automation},
     pages = {163--180},
     year = {2017},
     volume = {296},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2017_296_a12/}
}