@phdthesis{THESE_1933__147__1_0,
     author = {Obrechkoff, Nikola},
     title = {Sur la sommation des s\'eries divergentes},
     series = {Th\`eses de l'entre-deux-guerres},
     number = {147},
     year = {1933},
     language = {fr},
     url = {http://www.numdam.org/item/THESE_1933__147__1_0/}
}