@article{MAN_1869__1_156422,
     author = {C. Islen{\textsection}ef},
     title = {Notiz \"uber das cykloidische {Pendel.} {Von} {Carl} {Neumann} in {Leipzig}},
     journal = {Mathematische Annalen},
     pages = {507--508},
     publisher = {mathdoc},
     volume = {1},
     year = {1869},
     url = {http://geodesic.mathdoc.fr/item/MAN_1869__1_156422/}
}