TY - JOUR AU - V. V. Zhuk TI - Some relations between moduli of continuity and functionals defined on sets of periodic functions JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1970 SP - 24 EP - 33 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1970_5_a2/ LA - ru ID - IVM_1970_5_a2 ER -