%0 Journal Article %A V. A. Baskakov %T Comparison of orders of approximation of the classes $W^rH_{\omega p}$ by linear polynomial operators %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1987 %P 7-11 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1987_7_a1/ %G ru %F IVM_1987_7_a1