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@article{CM_1956-1958__13__65_0, author = {Carlitz, L.}, title = {Sets of primitive roots}, journal = {Compositio Mathematica}, pages = {65--70}, publisher = {Kraus Reprint}, volume = {13}, year = {1956-1958}, mrnumber = {83002}, zbl = {0071.26903}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1956-1958__13__65_0/} }
Carlitz, L. Sets of primitive roots. Compositio Mathematica, Tome 13 (1956-1958), pp. 65-70. http://geodesic.mathdoc.fr/item/CM_1956-1958__13__65_0/