%0 Journal Article %A Junli Shen %A Fei Zuo %A Alatancang Chen %T Some results on higher order symmetric operators %J Filomat %D 2023 %P 3769 %V 37 %N 12 %U http://geodesic.mathdoc.fr/articles/10.2298/FIL2312769S/ %R 10.2298/FIL2312769S %G en %F 10_2298_FIL2312769S