@article{JMPA_1869_2_14__359_0,
     author = {Liouville, J.},
     title = {Sur la forme ternaire $x^2+2y^2+3z^2$},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {359--360},
     publisher = {Gauthier-Villars},
     volume = {2e s{\'e}rie, 14},
     year = {1869},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1869_2_14__359_0/}
}