@article{MAN_1912__71_158527,
     author = {J. Westlund},
     title = {Primitive roots of ideals in algebraic number-fields.},
     journal = {Mathematische Annalen},
     pages = {246--250},
     publisher = {mathdoc},
     volume = {71},
     year = {1912},
     zbl = {42.0232.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1912__71_158527/}
}