@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://archive.numdam.org/item/CM_1956-1958__13__65_0/}
}