@article{MAN_1894__45_157734,
     author = {D. Hilbert},
     title = {Ueber den {Dirichlet'schen} biquadratischen {Zahlk\"orper}},
     journal = {Mathematische Annalen},
     pages = {309--340},
     publisher = {mathdoc},
     volume = {45},
     year = {1894},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1894__45_157734/}
}