@article{JRAM_1854__48_147586,
     author = {E. Meissel},
     title = {Zur {Theorie} der {Tautochronen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {317--323},
     year = {1854},
     volume = {48},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1854__48_147586/}
}