@phdthesis{THESE_1919__16__1_0,
     author = {Clapier, F.-C.},
     title = {Sur les surfaces minima ou \'elasso{\"\i}des},
     series = {Th\`eses de l'entre-deux-guerres},
     number = {16},
     year = {1919},
     language = {fr},
     url = {http://www.numdam.org/item/THESE_1919__16__1_0/}
}