@article{AFST_1887_1_1_2_E1_0,
     author = {Koenigs, G.},
     title = {Sur la forme des courbes \`a torsion constante},
     journal = {Annales de la Facult\'e des sciences de Toulouse pour les sciences math\'ematiques et les sciences physiques},
     pages = {E1--E8},
     publisher = {Gauthier-Villars, Imprimeur-Libraire},
     address = {Paris},
     volume = {1e s{\'e}rie, 1},
     number = {2},
     year = {1887},
     language = {fr},
     url = {http://www.numdam.org/item/AFST_1887_1_1_2_E1_0/}
}