@article{ISU_2014_14_3_a6,
     author = {T. V. Likhacheva},
     title = {Approximation of {Functions} in {Symmetrical} and {Connected} {Holder} {Spaces} by {Linear} {Means} of {Fourier--Vilenkin} {Series}},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {287--294},
     publisher = {mathdoc},
     volume = {14},
     number = {3},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2014_14_3_a6/}
}