Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DM_1991_3_2_a5, author = {S. A. Stepanov}, title = {Lower bounds on character sums over finite fields}, journal = {Diskretnaya Matematika}, pages = {77--86}, publisher = {mathdoc}, volume = {3}, number = {2}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DM_1991_3_2_a5/} }
S. A. Stepanov. Lower bounds on character sums over finite fields. Diskretnaya Matematika, Tome 3 (1991) no. 2, pp. 77-86. http://geodesic.mathdoc.fr/item/DM_1991_3_2_a5/