@article{MZM_1971_9_6_a1,
     author = {V. A. Baskakov},
     title = {The order of approximation of continuous functions by certain linear means of their {Fourier} series},
     journal = {Matemati\v{c}eskie zametki},
     pages = {617--627},
     publisher = {mathdoc},
     volume = {9},
     number = {6},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1971_9_6_a1/}
}