%0 Journal Article %A E. P. Ushakova %T Alternative boundedness characteristics for the Hardy--Steklov operator %J Eurasian mathematical journal %D 2017 %P 74-96 %V 8 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/EMJ_2017_8_2_a5/ %G en %F EMJ_2017_8_2_a5