@phdthesis{THESE_1930__107__1_0,
     author = {Bernstein, Vladimir},
     title = {Sur les singularit\'es des s\'eries de {Dirichlet}},
     series = {Th\`eses de l'entre-deux-guerres},
     number = {107},
     year = {1930},
     language = {fr},
     url = {http://www.numdam.org/item/THESE_1930__107__1_0/}
}