@phdthesis{THESE_1943__259__1_0,
     author = {Schwartz, Laurent},
     title = {\'Etude des sommes d'exponentielles r\'eelles},
     series = {Th\`eses de l'entre-deux-guerres},
     number = {259},
     year = {1943},
     language = {fr},
     url = {http://www.numdam.org/item/THESE_1943__259__1_0/}
}