@phdthesis{THESE_1933__154__1_0,
     author = {Viola, Tullio},
     title = {\'Etude sur la d\'etermination d'une fonction discontinue par sa d\'eriv\'ee unilat\'erale},
     series = {Th\`eses de l'entre-deux-guerres},
     number = {154},
     year = {1933},
     language = {fr},
     url = {http://www.numdam.org/item/THESE_1933__154__1_0/}
}