@article{NMARSBB_1841__13_180609,
     author = {P.G. Dandelin},
     title = {Sur la d\'etermination g\'eometrique des orbites com\'etaires.},
     journal = {Nouveaux m\'emoires de l 'Acad\'emie Royale des Sciences et Belles-Lettres de Bruxelles},
     pages = {1--24},
     publisher = {mathdoc},
     volume = {13},
     year = {1841},
     url = {http://geodesic.mathdoc.fr/item/NMARSBB_1841__13_180609/}
}