@article{ASENS_1867_1_4__195_0,
     author = {L\'evistal, A.},
     title = {Recherches d'optique g\'eom\'etrique},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {195--254},
     publisher = {Elsevier},
     volume = {1e s{\'e}rie, 4},
     year = {1867},
     doi = {10.24033/asens.39},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/asens.39/}
}