%0 Journal Article %A Wang, Xin %A Liu, Ming-Sheng %T The boundedness of two classes of integral operators %J Czechoslovak Mathematical Journal %D 2021 %P 475-490 %V 71 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2020.0436-19/ %R 10.21136/CMJ.2020.0436-19 %G en %F 10_21136_CMJ_2020_0436_19