@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://archive.numdam.org/item/THESE_1928__81__1_0/} }