@article{JMPA_1930_9_9__207_0,
     author = {Goursat, E.},
     title = {Sur un probl\`eme de la th\'eorie des surfaces (second m\'emoire)},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {207--229},
     publisher = {Gauthier-Villars},
     volume = {9e s{\'e}rie, 9},
     year = {1930},
     language = {fr},
     url = {http://archive.numdam.org/item/JMPA_1930_9_9__207_0/}
}