@article{JRAM_1852__44_147513,
     author = {W. Winkhaus},
     title = {Geometrisches.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {375--375},
     year = {1852},
     volume = {44},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1852__44_147513/}
}