@article{MZ_1928__28_168002,
     author = {Tr., Nagell},
     title = {Darstellung ganzer {Zahlen} durch bin\"are kubische {Formen} mit nega-tiver {Diskriminante}},
     journal = {Mathematische Zeitschrift},
     pages = {10--29},
     publisher = {mathdoc},
     volume = {28},
     year = {1928},
     zbl = {54.0174.02},
     url = {http://geodesic.mathdoc.fr/item/MZ_1928__28_168002/}
}