@article{MZM_2013_93_6_a7,
     author = {V. A. Makarichev},
     title = {Approximation of {Periodic} {Functions} {Using} $\mathrm{mup}_s(x)$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {878--901},
     publisher = {mathdoc},
     volume = {93},
     number = {6},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2013_93_6_a7/}
}