@article{1077477371, author = {Carlitz, L.}, title = {Sums of primitive roots in a finite field}, journal = {Duke Math. J.}, volume = {19}, number = {1}, year = {1952}, pages = { 459-469}, language = {en}, url = {http://dml.mathdoc.fr/item/1077477371} }
Carlitz, L. Sums of primitive roots in a finite field. Duke Math. J., Tome 19 (1952) no. 1, pp. 459-469. http://gdmltest.u-ga.fr/item/1077477371/