@article{AFST_1900_2_2_1_115_0,
     author = {P. Duhem},
     title = {Sur un point du calcul des variations},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {115--136},
     publisher = {\'Ed. Privat, Imprimeur-Libraire},
     address = {Toulouse},
     volume = {2e s{\'e}rie, 2},
     number = {1},
     year = {1900},
     language = {fr},
     url = {https://afst.centre-mersenne.org/item/AFST_1900_2_2_1_115_0/}
}