%0 Journal Article %A V. V. Zhuk %T The accuracy of the representation of a~continuous $2\pi$-periodic function by means of linear approximation methods %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1972 %P 46-59 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1972_8_a6/ %G ru %F IVM_1972_8_a6