TY  - JOUR
AU  - Aymen Ammar
AU  - Fatima Zohra Boutaf
AU  - Aref Jeribi
TI  - Extended eigenvalues of a closed linear operator
JO  - Filomat
PY  - 2022
SP  - 4277 
VL  - 36
IS  - 13
UR  - http://geodesic.mathdoc.fr/articles/10.2298/FIL2213277A/
DO  - 10.2298/FIL2213277A
LA  - en
ID  - 10_2298_FIL2213277A
ER  -