a. PFAFF an GAUSS, 1824 Oktober 20
Nachtraege zur reinen Mathematik Bd. 10 Abt 1, GDML_Books, (1917), p. 249 / Harvested from
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@article{PPN236018647+dmdlog121,
     title = {a. PFAFF an GAUSS, 1824 Oktober 20},
     booktitle = {Nachtraege zur reinen Mathematik Bd. 10 Abt 1},
     series = {GDML\_Books},
     year = {1917},
     pages = {249},
     url = {http://dml.mathdoc.fr/item/PPN236018647+dmdlog121}
}

 (éd.). a. PFAFF an GAUSS, 1824 Oktober 20, dans Nachtraege zur reinen Mathematik Bd. 10 Abt 1, GDML_Books,  (1917), p. 249. http://gdmltest.u-ga.fr/item/PPN236018647+dmdlog121/