@article{JRAM_1856__52_147638,
     author = {E. Lottner},
     title = {Zur {Theorie} des {Foucault'schen} {Pendelversuchs.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {52--58},
     year = {1856},
     volume = {52},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1856__52_147638/}
}