@article{JRAM_1846__31_147301,
     author = {D.C.L. Lehmus},
     title = {Einige geometrische {Aufgaben.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {85--89},
     publisher = {mathdoc},
     volume = {31},
     year = {1846},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1846__31_147301/}
}