@phdthesis{THESE_1931__123__1_0,
     author = {Rabat\'e, G.},
     title = {Sur les notions originelles de la g\'eom\'etrie infinit\'esimale directe},
     series = {Th\`eses de l'entre-deux-guerres},
     number = {123},
     year = {1931},
     zbl = {0002.05401},
     language = {fr},
     url = {http://www.numdam.org/item/THESE_1931__123__1_0/}
}