TY - JOUR AU - Aymen Ammar AU - Chaimaa Bouchama AU - Aref Jeribi TI - Some properties of extended eigenvalues for operators pair JO - Filomat PY - 2023 SP - 1927 VL - 37 IS - 6 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2306927A/ DO - 10.2298/FIL2306927A LA - en ID - 10_2298_FIL2306927A ER -