Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1871__4_156515, author = {Hoppe}, title = {Ueber independente {Darstellung} der h\"oheren {Differentialquotienten}}, journal = {Mathematische Annalen}, pages = {85--87}, publisher = {mathdoc}, volume = {4}, year = {1871}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MAN_1871__4_156515/} }
Hoppe. Ueber independente Darstellung der höheren Differentialquotienten. Mathematische Annalen, Tome 4 (1871), pp. 85-87. http://geodesic.mathdoc.fr/item/MAN_1871__4_156515/