%0 Journal Article %A Aisha Jabeen %A Mohammad Ashraf, %A Musheer Ahmad  %T \sigma σ-Derivations on generalized matrix algebras %J Analele Universităţii "Ovidius" Constanţa Seria Matematică %D 2020 %V XXVIII %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ASUO_2020_XXVIII_2_a10/ %F ASUO_2020_XXVIII_2_a10