@article{10_4153_CJM_1969_092_6,
     author = {Elliott, P. D. T. A.},
     title = {The {Distribution} of {Primitive} {Roots}},
     journal = {Canadian journal of mathematics},
     pages = {822--841},
     year = {1969},
     volume = {21},
     number = {1},
     doi = {10.4153/CJM-1969-092-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-092-6/}
}