TY - JOUR AU - V. A. Rodin TI - Membership of the sum of a~cosine series with monotone coefficients in a~symmetric space JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1979 SP - 60 EP - 64 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1979_8_a7/ LA - ru ID - IVM_1979_8_a7 ER -