@phdthesis{THESE_1927__72__1_0,
     author = {Vincensini, P.},
     title = {Sur trois types de congruences rectilignes},
     series = {Th\`eses de l'entre-deux-guerres},
     number = {72},
     year = {1927},
     language = {fr},
     url = {http://www.numdam.org/item/THESE_1927__72__1_0/}
}