@article{JRAM_1855__50_147610,
     author = {D.C.L. Lehmus},
     title = {Eine {Eigenschaft} des {Dreiecks.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {266--267},
     year = {1855},
     volume = {50},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1855__50_147610/}
}