@article{10_21136_CMJ_2020_0436_19,
     author = {Wang, Xin and Liu, Ming-Sheng},
     title = {The boundedness of two classes  of integral operators},
     journal = {Czechoslovak Mathematical Journal},
     pages = {475--490},
     publisher = {mathdoc},
     volume = {71},
     number = {2},
     year = {2021},
     doi = {10.21136/CMJ.2020.0436-19},
     mrnumber = {4263181},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2020.0436-19/}
}