TY - JOUR AU - S. A. Pichugov TI - Sharp Constant in Jackson's Inequality with Modulus of Smoothness for Uniform Approximations of Periodic Functions JO - Matematičeskie zametki PY - 2013 SP - 932 EP - 938 VL - 93 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2013_93_6_a10/ LA - ru ID - MZM_2013_93_6_a10 ER -