Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1879__15_156855, author = {Krey}, title = {Ueber singul\"are {Tangenten} algebraischer {Fl\"achen}}, journal = {Mathematische Annalen}, pages = {211--237}, publisher = {mathdoc}, volume = {15}, year = {1879}, zbl = {11.0468.01}, url = {http://geodesic.mathdoc.fr/item/MAN_1879__15_156855/} }
Krey. Ueber singuläre Tangenten algebraischer Flächen. Mathematische Annalen, Tome 15 (1879), pp. 211-237. http://geodesic.mathdoc.fr/item/MAN_1879__15_156855/