@article{MAN_1939__116_159997,
     author = {G. Bradistilov},
     title = {\"Uber periodische und asymptotische {L\"osungen} beim n-fachen {Pendel} in der {Ebene}},
     journal = {Mathematische Annalen},
     pages = {181--203},
     publisher = {mathdoc},
     volume = {116},
     year = {1939},
     zbl = {0019.35001},
     url = {http://geodesic.mathdoc.fr/item/MAN_1939__116_159997/}
}