@article{JRAM_1868__68_148035,
     author = {C.F. Geiser and Jacob Steiner},
     title = {Construction der {Fl\"ache} zweiten {Grades} durch neun {Punkte.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {191--192},
     publisher = {mathdoc},
     volume = {68},
     year = {1868},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1868__68_148035/}
}