@article{PIM_1964_N_S_04_18_a12,
     author = {Borivoje Rachajsky},
     title = {Sur {Le} {Probl\`eme} {De} {Cauchy} {Des} {Syst\`emes} {En} {Involution} {De} {Darboux} {Du} {Troisi\`eme} {Ordre}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {109 },
     publisher = {mathdoc},
     volume = {_N_S_04},
     number = {18},
     year = {1964},
     url = {http://geodesic.mathdoc.fr/item/PIM_1964_N_S_04_18_a12/}
}