@phdthesis{THESE_1937__195__1_0,
     author = {Hachtroudi, Mohsen},
     title = {Les espaces d'\'el\'ements \`a connexion projective normale},
     series = {Th\`eses de l'entre-deux-guerres},
     number = {195},
     year = {1937},
     language = {fr},
     url = {http://www.numdam.org/item/THESE_1937__195__1_0/}
}