@article{DM_1991_3_1_a5,
     author = {G. I. Perel'muter},
     title = {Incomplete {Gaussian} sums in finite fields},
     journal = {Diskretnaya Matematika},
     pages = {68--73},
     year = {1991},
     volume = {3},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1991_3_1_a5/}
}