RAHMAN, M. M.; PAUL, A. C. Some Theorems For Generalized (U,M)-Derivations In Semiprime Gamma-Rings. Journal of Scientific Research, [S. l.], v. 9, n. 2, p. 167–177, 2017. DOI: 10.3329/jsr.v9i2.30502. Disponível em: https://banglajol.info/index.php/JSR/article/view/30502. Acesso em: 16 jan. 2022.