TY - JOUR AU - S. A. Telyakovskii TI - Approximation by Bernstein Polynomials at the Points of Discontinuity of the Derivatives JO - Matematičeskie zametki PY - 2009 SP - 622 EP - 629 VL - 85 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2009_85_4_a11/ LA - ru ID - MZM_2009_85_4_a11 ER -