TY - JOUR AU - O. L. Vinogradov TI - Sharp Inequalities for Approximations of Classes of Periodic Convolutions by Odd-Dimensional Subspaces of Shifts JO - Matematičeskie zametki PY - 2009 SP - 569 EP - 584 VL - 85 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2009_85_4_a6/ LA - ru ID - MZM_2009_85_4_a6 ER -