@misc{NMARSBB_1829__5_251946,
     title = {[unknown]},
     journal = {Nouveaux m\'emoires de l 'Acad\'emie Royale des Sciences et Belles-Lettres de Bruxelles},
     pages = {55--56},
     publisher = {mathdoc},
     volume = {5},
     year = {1829},
     url = {http://geodesic.mathdoc.fr/item/NMARSBB_1829__5_251946/}
}