@article{ASENS_1899_3_16__491_0,
     author = {Darboux, Gaston},
     title = {Sur les surfaces isothermiques},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {491--508},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 16},
     year = {1899},
     doi = {10.24033/asens.473},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/asens.473/}
}