@article{IM_1971__12_142080,
     author = {M. Knebusch},
     title = {Ein {Satz} \"uber die {Werte} von quadratischen {Formen} \"uber {K\"orper.}},
     journal = {Inventiones mathematicae},
     pages = {300--303},
     publisher = {mathdoc},
     volume = {12},
     year = {1971},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/IM_1971__12_142080/}
}