@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/}
}