@phdthesis{THESE_1936__183__1_0,
     author = {Wachs, Sylvain},
     title = {Essai sur la g\'eom\'etrie projective quaternionnienne},
     series = {Th\`eses de l'entre-deux-guerres},
     number = {183},
     year = {1936},
     language = {fr},
     url = {http://www.numdam.org/item/THESE_1936__183__1_0/}
}