@article{MAN_1896__47_157803,
     author = {W. Godt},
     title = {Ueber eine merkw\"urdige {Kreisfigur}},
     journal = {Mathematische Annalen},
     pages = {564--572},
     year = {1896},
     volume = {47},
     zbl = {27.0399.06},
     url = {http://geodesic.mathdoc.fr/item/MAN_1896__47_157803/}
}