@article{FPM_2014_19_5_a3,
     author = {S. V. Konyagin and I. D. Shkredov},
     title = {On the {Wiener} norm of subsets of $\mathbb Z_p$ of medium size},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {75--87},
     publisher = {mathdoc},
     volume = {19},
     number = {5},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2014_19_5_a3/}
}