@phdthesis{THESE_1923__43__1_0, author = {Mentr\'e, Paul}, title = {Les vari\'et\'es de l'espace r\'egl\'e \'etudi\'ees dans leurs propri\'et\'es infinit\'esimales projectives}, series = {Th\`eses de l'entre-deux-guerres}, number = {43}, year = {1923}, language = {fr}, url = {http://archive.numdam.org/item/THESE_1923__43__1_0/} }