@article{PPN234729163+dmdlog23, title = {\S . 13. Derivirte Functionen}, booktitle = {Lehrbuch der Algebra Bd. 1}, series = {GDML\_Books}, year = {1895}, pages = {51}, url = {http://dml.mathdoc.fr/item/PPN234729163+dmdlog23} }
(éd.). §. 13. Derivirte Functionen, dans Lehrbuch der Algebra Bd. 1, GDML_Books, (1895), p. 51. http://gdmltest.u-ga.fr/item/PPN234729163+dmdlog23/