@article{PPN58952724X+DMDLOG_0002, title = {Vorwort.}, booktitle = {Vorlesungen \"uber Differential- und Integralrechnung Bd. 1}, series = {GDML\_Books}, publisher = {Teubner}, address = {Leipzig}, year = {1898}, pages = {III}, url = {http://dml.mathdoc.fr/item/PPN58952724X+DMDLOG_0002} }
(éd.). Vorwort., dans Vorlesungen über Differential- und Integralrechnung Bd. 1, GDML_Books, (1898), p. III. http://gdmltest.u-ga.fr/item/PPN58952724X+DMDLOG_0002/