@phdthesis{THESE_1931__132__1_0,
     author = {Stoyko, N.},
     title = {Sur la mesure du temps et les probl\`emes qui s'y rattachent},
     series = {Th\`eses de l'entre-deux-guerres},
     number = {132},
     year = {1931},
     language = {fr},
     url = {http://www.numdam.org/item/THESE_1931__132__1_0/}
}