@article{JRAM_1854__47_147561,
     author = {F. Schweins},
     title = {Theorie der {Mittelpunkte} der parallelen {Seitenkr\"afte.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {246--268},
     publisher = {mathdoc},
     volume = {47},
     year = {1854},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1854__47_147561/}
}