@article{10_4153_S0008439521000060,
     author = {Yan, Yi},
     title = {Characterizations of {Hankel} operators in the essential commutant of quasicontinuous {Toeplitz} operators},
     journal = {Canadian mathematical bulletin},
     pages = {44--51},
     year = {2022},
     volume = {65},
     number = {1},
     doi = {10.4153/S0008439521000060},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008439521000060/}
}