@article{TRSPY_1981_157_a14,
     author = {S. A. Telyakovskii},
     title = {Approximation of functions of class $\overline W^1$ by {Ces\`aro} means},
     journal = {Informatics and Automation},
     pages = {191--197},
     publisher = {mathdoc},
     volume = {157},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1981_157_a14/}
}