On alpha-semiderivations and commutativity of Gamma-rings. Gulf Journal of Mathematics, [S. l.], v. 5, n. 3, 2017. DOI: 10.56947/gjom.v5i3.109. Disponível em: https://gjom.org/index.php/gjom/article/view/109. Acesso em: 25 aug. 2026.