TY - JOUR AU - Yan, Yi TI - Characterizations of Hankel operators in the essential commutant of quasicontinuous Toeplitz operators JO - Canadian mathematical bulletin PY - 2022 SP - 44 EP - 51 VL - 65 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/S0008439521000060/ DO - 10.4153/S0008439521000060 ID - 10_4153_S0008439521000060 ER -