TY - JOUR AU - O. L. Vinogradov TI - The sharp constant in the estimate of the Rogozinski sums deviation in terms of the second modulus of continuity JO - Zapiski Nauchnykh Seminarov POMI PY - 1997 SP - 26 EP - 45 VL - 247 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1997_247_a2/ LA - ru ID - ZNSL_1997_247_a2 ER -