@article{PIM_1961_N_S_01_15_a12,
     author = {B. Rachajsky},
     title = {Sur {L'Involution} {De} {Darboux} {Du} {Troisi\`eme} {Ordre}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {111 },
     year = {1961},
     volume = {_N_S_01},
     number = {15},
     url = {http://geodesic.mathdoc.fr/item/PIM_1961_N_S_01_15_a12/}
}