@article{CMH_1930__2_138537,
     author = {Trygve Nagell},
     title = {Ueber algebraische {Zahlk\"orper} mit gegebener {Diskriminante.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {169--173},
     publisher = {mathdoc},
     volume = {2},
     year = {1930},
     zbl = {56.0894.02},
     url = {http://geodesic.mathdoc.fr/item/CMH_1930__2_138537/}
}