@article{JRAM_1826__1_183036,
     author = {J. Hachette},
     title = {Einige {Bemerkungen} \"uber {Fl\"achen} zweiter {Ordnung.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {339--349},
     publisher = {mathdoc},
     volume = {1},
     year = {1826},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1826__1_183036/}
}