%0 Journal Article %A V. V. Lipovik %T The order of strong approximation of functions by Čebyšev interpolation sums %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1975 %P 50-58 %N 3 %U http://geodesic.mathdoc.fr/item/IVM_1975_3_a6/ %G ru %F IVM_1975_3_a6