Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1968_180_6_a4, author = {A. A. Karatsuba}, title = {Sums of characters, and primitive roots, in finite fields}, journal = {Doklady Akademii Nauk}, pages = {1287--1289}, publisher = {mathdoc}, volume = {180}, number = {6}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_180_6_a4/} }
A. A. Karatsuba. Sums of characters, and primitive roots, in finite fields. Doklady Akademii Nauk, Tome 180 (1968) no. 6, pp. 1287-1289. http://geodesic.mathdoc.fr/item/DAN_1968_180_6_a4/