TY - JOUR AU - A. M. Sedletskii TI - Approximations by convolutions and antiderivatives JO - Matematičeskie zametki PY - 2006 SP - 756 EP - 766 VL - 79 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2006_79_5_a11/ LA - ru ID - MZM_2006_79_5_a11 ER -