@article{MAN_1897__48_157827,
     author = {H. Weber},
     title = {Ueber {Zahlengruppen} in algebraischen {K\"orpern}},
     journal = {Mathematische Annalen},
     pages = {433--473},
     publisher = {mathdoc},
     volume = {48},
     year = {1897},
     zbl = {28.0188.09},
     url = {http://geodesic.mathdoc.fr/item/MAN_1897__48_157827/}
}