TY - JOUR AU - S. A. Telyakovskii TI - Approximation of functions of class $\overline W^1$ by Ces\`aro means JO - Informatics and Automation PY - 1981 SP - 191 EP - 197 VL - 157 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1981_157_a14/ LA - ru ID - TRSPY_1981_157_a14 ER -