@misc{Gauss_Carolo_Friderico_Theoria_1809,
 author={Gauss, Carolo Friderico},
 address={Hamburgi},
 howpublished={online},
 year={1809},
 publisher={Frid. Perthes et I. H. Besser},
 language={lat},
 title={Theoria Motus Corporum Coelestium in sectionibus conicis solem ambientium},
 keywords={Gauss Carl Friedrich, spherical astronomy, motion of celestial bodies},
}