@phdthesis{THESE_1928__81__1_0,
     author = {F\'eraud, Lucien},
     title = {Sur une g\'en\'eralisation des correspondances ponctuelles qui \'etablissent l'applicabilit\'e projective},
     series = {Th\`eses de l'entre-deux-guerres},
     number = {81},
     year = {1928},
     language = {fr},
     url = {http://www.numdam.org/item/THESE_1928__81__1_0/}
}