@article{TM_1975_134_a16,
     author = {K. I. Oskolkov},
     title = {An estimate for the approximation of continuous functions by sequences of {Fourier} sum},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {240--253},
     publisher = {mathdoc},
     volume = {134},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1975_134_a16/}
}