%0 Journal Article %A S. S. Volosivets %T Modified Hardy and Hardy--Littlewood operators and their behaviour in various spaces %J Izvestiya. Mathematics %D 2011 %P 29-51 %V 75 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2011_75_1_a1/ %G en %F IM2_2011_75_1_a1