@article{JTNB_2002__14_1_287_0,
     author = {Roskam, Hans},
     title = {Artin's primitive root conjecture for quadratic fields},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {287--324},
     publisher = {Universit\'e Bordeaux I},
     volume = {14},
     number = {1},
     year = {2002},
     mrnumber = {1926004},
     zbl = {1026.11086},
     language = {en},
     url = {http://archive.numdam.org/item/JTNB_2002__14_1_287_0/}
}