@book{PPN590530763, title = {Lehrbegriff des Differential- und Integralcalculs Theil 1}, series = {GDML\_Books}, publisher = {Lagarde}, address = {Berlin}, year = {1799}, language = {de}, url = {http://dml.mathdoc.fr/item/PPN590530763} }
Lacroix, Silvestre François. Lehrbegriff des Differential- und Integralcalculs Theil 1. GDML_Books (1799), http://gdmltest.u-ga.fr/item/PPN590530763/