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@article{IVM_1964_4_a5, author = {S. P. Geǐsberg}, title = {On the absolute summability of gap series by the {Riemann} met}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {39--46}, publisher = {mathdoc}, number = {4}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1964_4_a5/} }
S. P. Geǐsberg. On the absolute summability of gap series by the Riemann met. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 4 (1964), pp. 39-46. http://geodesic.mathdoc.fr/item/IVM_1964_4_a5/