@article{JRAM_1840__20_147096,
     author = {J. Plana},
     title = {Addition \`a la {Note} de {Mr.} {Plana,} intitul\'ee },
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {283--284},
     publisher = {mathdoc},
     volume = {20},
     year = {1840},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1840__20_147096/}
}