TY - JOUR AU - V. V. Zhuk TI - The accuracy of the representation of a~continuous $2\pi$-periodic function by means of linear approximation methods JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1972 SP - 46 EP - 59 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1972_8_a6/ LA - ru ID - IVM_1972_8_a6 ER -