@misc{NMARSBB_1826__3_180467,
     title = {OBSERVATION.},
     journal = {Nouveaux m\'emoires de l 'Acad\'emie Royale des Sciences et Belles-Lettres de Bruxelles},
     pages = {139--139},
     publisher = {mathdoc},
     volume = {3},
     year = {1826},
     url = {http://geodesic.mathdoc.fr/item/NMARSBB_1826__3_180467/}
}