2. PFAFF an GAUSS, 1799 Juli 8
Nachtraege zur reinen Mathematik Bd. 10 Abt 1, GDML_Books, (1917), p. 101 / Harvested from
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@article{PPN236018647+dmdlog64,
     title = {2. PFAFF an GAUSS, 1799 Juli 8},
     booktitle = {Nachtraege zur reinen Mathematik Bd. 10 Abt 1},
     series = {GDML\_Books},
     year = {1917},
     pages = {101},
     url = {http://dml.mathdoc.fr/item/PPN236018647+dmdlog64}
}

 (éd.). 2. PFAFF an GAUSS, 1799 Juli 8, dans Nachtraege zur reinen Mathematik Bd. 10 Abt 1, GDML_Books,  (1917), p. 101. http://gdmltest.u-ga.fr/item/PPN236018647+dmdlog64/