%0 Journal Article %A Aymen Ammar %A Aref Jeribi %A Bilel Saadaoui %T Fredholm linear relation and some results of demicompact for multivalued matrix linear operator %J Filomat %D 2023 %P 1507 %V 37 %N 5 %U http://geodesic.mathdoc.fr/articles/10.2298/FIL2305507A/ %R 10.2298/FIL2305507A %G en %F 10_2298_FIL2305507A