%0 Journal Article
%A P. V. Al'brecht
%T On operators of almost best approximations on the classes $W^rH_\omega$
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1993
%P 22-29
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1993_6_a5/
%G ru
%F VMUMM_1993_6_a5