@article{KUMEM_1927_2_a1,
     author = {\'Elie Cartan},
     title = {L'axiome du plan et la {G\'eom\'etrie} diff\'erentielle m\'etrique},
     journal = {In memoriam N. I. Lobatschevskii},
     pages = {4--12},
     publisher = {mathdoc},
     volume = {2},
     year = {1927},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/KUMEM_1927_2_a1/}
}