@article{MZM_2003_73_4_a9,
     author = {N. G. Moshchevitin and I. D. Shkredov},
     title = {On the {Pyatetskii-Shapiro} {Criterion} of {Normality}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {577--589},
     year = {2003},
     volume = {73},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2003_73_4_a9/}
}