@article{ASENS_1869_1_6__251_0,
     author = {Beltrami, E.},
     title = {Essai d'interpr\'etation de la g\'eom\'etrie noneuclid\'eenne. {Trad.} par {J.} {Ho\"uel}},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {251--288},
     publisher = {Elsevier},
     volume = {1e s{\'e}rie, 6},
     year = {1869},
     doi = {10.24033/asens.60},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/asens.60/}
}