@article{CMJ_1997__47_3_a5,
     author = {Spearman, Blair K. and Williams, Kenneth S.},
     title = {The conductor of a cyclic quartic field using {Gauss} sums},
     journal = {Czechoslovak Mathematical Journal},
     pages = {453--462},
     publisher = {mathdoc},
     volume = {47},
     number = {3},
     year = {1997},
     mrnumber = {1461424},
     zbl = {0898.11041},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_1997__47_3_a5/}
}