@article{JMPA_1928_9_7__1_0,
     author = {Goursat, E.},
     title = {Sur un probl\`eme de la th\'eorie des surfaces},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {1--27},
     publisher = {Gauthier-Villars},
     volume = {9e s{\'e}rie, 7},
     year = {1928},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1928_9_7__1_0/}
}