@article{ASENS_1920_3_37__259_0,
     author = {Cartan, Elie},
     title = {Sur la d\'eformation projective des surfaces},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {259--356},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 37},
     year = {1920},
     doi = {10.24033/asens.726},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/asens.726/}
}