@article{CMH_1947__20_138913,
     author = {B.L. van der Waerden},
     title = {Divisorenklassen in algebraischen {Funktionenk\"orpern.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {68--109},
     publisher = {mathdoc},
     volume = {20},
     year = {1947},
     zbl = {0035.30601},
     url = {http://geodesic.mathdoc.fr/item/CMH_1947__20_138913/}
}