@phdthesis{THESE_1939__218__1_0,
     author = {Ville, Jean},
     title = {\'Etude critique de la notion de collectif},
     series = {Th\`eses de l'entre-deux-guerres},
     number = {218},
     year = {1939},
     zbl = {0021.14505},
     language = {fr},
     url = {http://www.numdam.org/item/THESE_1939__218__1_0/}
}