%0 Journal Article %A Aref Jeribi %A Bilel Krichen %A Makrem Salhi %T Weak demicompactness involving measures of weak noncompactness and invariance of the essential spectrum %J Filomat %D 2022 %P 3051 %V 36 %N 9 %U http://geodesic.mathdoc.fr/articles/10.2298/FIL2209051J/ %R 10.2298/FIL2209051J %G en %F 10_2298_FIL2209051J