@incollection{MALSM_2014__7__E_0,
     author = {Robert Fortet},
     title = {Les probl\`emes isom\'erim\'etriques},
     booktitle = {Le S\'eminaire de math\'ematiques 1938-1939 : Calcul des variations},
     editor = {Mich\`ele Audin},
     series = {Le S\'eminaire de math\'ematiques 1933-1939},
     note = {talk:6-E},
     pages = {1--15},
     publisher = {CEDRAM},
     number = {7},
     year = {2014},
     doi = {10.5802/mbk.60},
     language = {fr},
     url = {https://proceedings.centre-mersenne.org/articles/10.5802/mbk.60/}
}