@article{CMH_1947__20_138910,
     author = {Martin Eichler},
     title = {Grundz\"uge einer {Zahlentheorie} der quadratischen {Formen} im rationalen {Zahlenk\"orper.} {I.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {9--60},
     publisher = {mathdoc},
     volume = {20},
     year = {1947},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/CMH_1947__20_138910/}
}