@article{IVM_1984_5_a3,
     author = {V. A. Baskakov},
     title = {Approximation of function classes $C(\varepsilon)$ by de la {Vall\'ee{\textendash}Poussin} sums and linear polynomial operators},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {19--24},
     year = {1984},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1984_5_a3/}
}