@book{MALSM_2014__7_,
     editor = {Mich\`ele Audin},
     title = {Le {S\'eminaire} de math\'ematiques 1938-1939 : {Calcul} des variations},
     series = {Le S\'eminaire de math\'ematiques 1933-1939},
     publisher = {CEDRAM},
     number = {7},
     year = {2014},
     url = {https://proceedings.centre-mersenne.org/item/MALSM_2014__7_/}
}