@article{MAN_1912__72_158573,
     author = {P. Bohl},
     title = {Bemerkungen zur {Theorie} der s\"akularen {St\"orungen.}},
     journal = {Mathematische Annalen},
     pages = {295--296},
     publisher = {mathdoc},
     volume = {72},
     year = {1912},
     zbl = {43.1083.03},
     url = {http://geodesic.mathdoc.fr/item/MAN_1912__72_158573/}
}