§. 64. Biquadratische Formen
Lehrbuch der Algebra Bd. 1, GDML_Books, (1895), p. 199 / Harvested from
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@article{PPN234729163+dmdlog78,
     title = {\S . 64. Biquadratische Formen},
     booktitle = {Lehrbuch der Algebra Bd. 1},
     series = {GDML\_Books},
     year = {1895},
     pages = {199},
     url = {http://dml.mathdoc.fr/item/PPN234729163+dmdlog78}
}

 (éd.). §. 64. Biquadratische Formen, dans Lehrbuch der Algebra Bd. 1, GDML_Books,  (1895), p. 199. http://gdmltest.u-ga.fr/item/PPN234729163+dmdlog78/