@article{MAT_1968_12_2_a2,
     author = {E. Bombieri},
     title = {On exponential sums in finite fields},
     journal = {Matematika},
     pages = {58--87},
     publisher = {mathdoc},
     volume = {12},
     number = {2},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1968_12_2_a2/}
}