@article{AFST_1887_1_1_2_E13_0,
     author = {G. Koenigs},
     title = {Sur l'emploi de certaines formes quadratiques en g\'eom\'etrie},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {E13--E43},
     publisher = {Gauthier-Villars, Imprimeur-Libraire},
     address = {Paris},
     volume = {1e s{\'e}rie, 1},
     number = {2},
     year = {1887},
     language = {fr},
     url = {https://afst.centre-mersenne.org/item/AFST_1887_1_1_2_E13_0/}
}