@article{ASENS_1905_3_22__397_0,
     author = {Raffy, Louis},
     title = {Recherches sur les surfaces isothermiques},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {397--439},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 22},
     year = {1905},
     doi = {10.24033/asens.556},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/asens.556/}
}