@article{JMPA_1836_1_1__278_0,
     author = {Sturm, C. and Liouville, J.},
     title = {D\'emonstration d'un {Th\'eor\`eme} de {M.} {Cauchy,} relatif aux racines imaginaires des {\'Equations}},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {278--289},
     publisher = {Gauthier-Villars},
     volume = {1e s{\'e}rie, 1},
     year = {1836},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1836_1_1__278_0/}
}