CHAKRABORTY, S.; PAUL, A. C. The k-Derivation Acting as a k-Endomorphism and as an Anti-k-Endomorphism on Semiprime Nobusawa Gamma Ring. GANIT: Journal of Bangladesh Mathematical Society, [S. l.], v. 33, p. 93–101, 2014. DOI: 10.3329/ganit.v33i0.17663. Disponível em: https://banglajol.info/index.php/GANIT/article/view/17663. Acesso em: 26 apr. 2024.