TY  - JOUR
AU  - Nedra Moalla
AU  - Wafa Selmi
TI  - Some essential spectra of unbounded operator matrices pencils with non-diagonal domain and application
JO  - Filomat
PY  - 2022
SP  - 763 
VL  - 36
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.2298/FIL2203763M/
DO  - 10.2298/FIL2203763M
LA  - en
ID  - 10_2298_FIL2203763M
ER  -