RAHMAN, M. M.; PAUL, A. C. Generalized (U, M)-derivations of completely semiprime r-rings. Journal of Bangladesh Academy of Sciences, [S. l.], v. 39, n. 1, p. 115–123, 2015. DOI: 10.3329/jbas.v39i1.23665. Disponível em: https://banglajol.info/index.php/JBAS/article/view/23665. Acesso em: 22 dec. 2024.