@article{JRAM_1842__24_183234,
     author = {C. Ramus},
     title = {D\'emonstration d'un th\'eor\`eme sur les \'equations diff\'erentielles lin\'eaires \`a deux variables.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {260--261},
     publisher = {mathdoc},
     volume = {24},
     year = {1842},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1842__24_183234/}
}