@article{TRSPY_1987_180_a15,
     author = {V. A. Baskakov},
     title = {On approximation of the classes $C(\varepsilon)$ by linear polynomial operators},
     journal = {Informatics and Automation},
     pages = {41--43},
     publisher = {mathdoc},
     volume = {180},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a15/}
}