TY - JOUR AU - Fei Zuo AU - Junli Shen AU - Alatancang Chen TI - Classes of operators related to 2-isometric operators JO - Filomat PY - 2022 SP - 3809 VL - 36 IS - 11 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2211809Z/ DO - 10.2298/FIL2211809Z LA - en ID - 10_2298_FIL2211809Z ER -