%0 Journal Article %A P. V. Al'brecht %T Orders of moduli of continuity of operators of almost best approximation %J Sbornik. Mathematics %D 1995 %P 1-22 %V 83 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1995_83_1_a0/ %G en %F SM_1995_83_1_a0