@phdthesis{THESE_1939__224__1_0,
     author = {Barrett, William},
     title = {Sur la structure des groupes semi-simples r\'eels},
     series = {Th\`eses de l'entre-deux-guerres},
     number = {224},
     year = {1939},
     language = {fr},
     url = {http://www.numdam.org/item/THESE_1939__224__1_0/}
}