@article{JRAM_1913__143_149412,
     author = {P. Zervos},
     title = {Sur l'int\'egration de certains syst\`emes ind\'etermin\'es d'\'equations diff\'erentielles.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {300--312},
     publisher = {mathdoc},
     volume = {143},
     year = {1913},
     zbl = {44.0386.02},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1913__143_149412/}
}