@article{ISU_2011_11_2_a0,
     author = {N. Yu. Agafonova},
     title = {$\Lambda$-summability and multiplicators of {H\"older} classes of {Fourier} series with respect to character systems},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {3--8},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2011_11_2_a0/}
}