@book{PPN590624431, title = {C Abtheilung 1, Bd. 2}, series = {GDML\_Books}, publisher = {Ettinger}, address = {Gotha}, year = {1795}, language = {de}, url = {http://dml.mathdoc.fr/item/PPN590624431} }
(éd.). C Abtheilung 1, Bd. 2. GDML_Books (1795), http://gdmltest.u-ga.fr/item/PPN590624431/