Sectio Quarta De Congruentiis Secundi Gradus
Disquisitiones arithmeticae Bd. 1, GDML_Books, (1863), p. 73 / Harvested from
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@article{PPN235993352+dmdlog9,
     title = {Sectio Quarta De Congruentiis Secundi Gradus},
     booktitle = {Disquisitiones arithmeticae Bd. 1},
     series = {GDML\_Books},
     year = {1863},
     pages = {73},
     url = {http://dml.mathdoc.fr/item/PPN235993352+dmdlog9}
}

 (éd.). Sectio Quarta De Congruentiis Secundi Gradus, dans Disquisitiones arithmeticae Bd. 1, GDML_Books,  (1863), p. 73. http://gdmltest.u-ga.fr/item/PPN235993352+dmdlog9/