@article{CMH_1932__4_138570,
     author = {M. Vladimir Bernstein},
     title = {Sur l'ultraconvergence d'une classe de s\'eries de {Dirichlet.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {21--50},
     publisher = {mathdoc},
     volume = {4},
     year = {1932},
     zbl = {0005.05304},
     url = {http://geodesic.mathdoc.fr/item/CMH_1932__4_138570/}
}