@article{JMPA_1854_1_19__151_0,
     author = {Liouville, J.},
     title = {Sur l'\'equation diff\'erentielle $\frac{d.\left(x-x^3\right)\frac{dy}{dx}}{dx}-xy=\mathrm{o}$},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {151--152},
     publisher = {Gauthier-Villars},
     volume = {1e s{\'e}rie, 19},
     year = {1854},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1854_1_19__151_0/}
}