@article{ZNSL_2020_491_a2,
     author = {A. V. Vasin},
     title = {Singular integral operators on {Zygmund} spaces on
},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {43--51},
     publisher = {mathdoc},
     volume = {491},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2020_491_a2/}
}