@article{JRAM_1854__47_147559,
     author = {E. Lottner},
     title = {L\"osung der {Aufgaben} {C.} und {D.} in {Nr.} 21. {Band} 45 dieses {Journals} {S.} 284.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {233--237},
     publisher = {mathdoc},
     volume = {47},
     year = {1854},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1854__47_147559/}
}