Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1967_1_a1, author = {L. A. Balashov}, title = {Series with respect to a~system $\{f(nx)\}$}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {8--14}, publisher = {mathdoc}, number = {1}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1967_1_a1/} }
L. A. Balashov. Series with respect to a~system $\{f(nx)\}$. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1967), pp. 8-14. http://geodesic.mathdoc.fr/item/IVM_1967_1_a1/