DEY, K. K.; PAUL, A. C. Commutatively of Prime and Semiprime ?-Rings with Symmetric BI-Derivations. GANIT: Journal of Bangladesh Mathematical Society, [S. l.], v. 34, p. 27–33, 2016. DOI: 10.3329/ganit.v34i0.28551. Disponível em: https://banglajol.info/index.php/GANIT/article/view/28551. Acesso em: 18 sep. 2024.