TY - JOUR AU - Aref Jeribi AU - Bilel Krichen AU - Makrem Salhi TI - Weak demicompactness involving measures of weak noncompactness and invariance of the essential spectrum JO - Filomat PY - 2022 SP - 3051 VL - 36 IS - 9 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2209051J/ DO - 10.2298/FIL2209051J LA - en ID - 10_2298_FIL2209051J ER -