@article{JRAM_1866__65_147978,
     author = {C.F. Geiser},
     title = {Ueber die {Normalen} der {Kegelschnitte.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {381--383},
     publisher = {mathdoc},
     volume = {65},
     year = {1866},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1866__65_147978/}
}