@article{JMPA_1848_1_13__353_0,
     author = {Serret, J.-A.},
     title = {Sur l'int\'egration de l'\'equation $dx^2+dy^2+dz^2=ds^2$},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {353--360},
     publisher = {Gauthier-Villars},
     volume = {1e s{\'e}rie, 13},
     year = {1848},
     language = {fr},
     url = {http://archive.numdam.org/item/JMPA_1848_1_13__353_0/}
}