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@article{IVM_1968_12_a2, author = {S. L. Blyumin}, title = {Strong summability of {Fourier} series in multiplicative systems}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {24--28}, publisher = {mathdoc}, number = {12}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1968_12_a2/} }
S. L. Blyumin. Strong summability of Fourier series in multiplicative systems. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 12 (1968), pp. 24-28. http://geodesic.mathdoc.fr/item/IVM_1968_12_a2/