TY - JOUR AU - K. I. Oskolkov TI - Subsequences of the Fourier sums of functions with a given modulus of continuity JO - Sbornik. Mathematics PY - 1972 SP - 441 EP - 465 VL - 17 IS - 3 UR - http://geodesic.mathdoc.fr/item/SM_1972_17_3_a6/ LA - en ID - SM_1972_17_3_a6 ER -