Theoria residuorum biquadraticorum. Commentatio prima
Hoehere Arithmetik Bd. 2, GDML_Books, (1863), p. 67 / Harvested from
Access to full text 
@article{PPN23599524X+dmdlog12,
     title = {Theoria residuorum biquadraticorum. Commentatio prima},
     booktitle = {Hoehere Arithmetik Bd. 2},
     series = {GDML\_Books},
     year = {1863},
     pages = {67},
     url = {http://dml.mathdoc.fr/item/PPN23599524X+dmdlog12}
}

 (éd.). Theoria residuorum biquadraticorum. Commentatio prima, dans Hoehere Arithmetik Bd. 2, GDML_Books,  (1863), p. 67. http://gdmltest.u-ga.fr/item/PPN23599524X+dmdlog12/