@article{AFST_1889_1_3__F1_0,
     author = {Legoux, A.},
     title = {Sur l{\textquoteright}int\'egration de l{\textquoteright}\'equation $ds^2= \,{\rm E} \,du^2+\,{\rm F} \,du \,dv +\,{\rm G} \,dv^2$},
     journal = {Annales de la Facult\'e des sciences de Toulouse pour les sciences math\'ematiques et les sciences physiques},
     pages = {F1--F2},
     publisher = {Gauthier-Villars et Fils, Imprimeurs-Libraires},
     address = {Paris},
     volume = {1e s{\'e}rie, 3},
     year = {1889},
     language = {fr},
     url = {http://archive.numdam.org/item/AFST_1889_1_3__F1_0/}
}