@book{PPN58952724X, title = {Vorlesungen \"uber Differential- und Integralrechnung Bd. 1}, series = {GDML\_Books}, publisher = {Teubner}, address = {Leipzig}, year = {1898}, language = {de}, url = {http://dml.mathdoc.fr/item/PPN58952724X} }
Czuber, Emanuel. Vorlesungen über Differential- und Integralrechnung Bd. 1. GDML_Books (1898), http://gdmltest.u-ga.fr/item/PPN58952724X/