@article{JMPA_1848_1_13__34_0, author = {Liouville, J.}, title = {Note de {M.} {Liouville}}, journal = {Journal de Math\'ematiques Pures et Appliqu\'ees}, pages = {34--37}, publisher = {Gauthier-Villars}, volume = {1e s{\'e}rie, 13}, year = {1848}, language = {fr}, url = {http://archive.numdam.org/item/JMPA_1848_1_13__34_0/} }