Rahman, Md Mizanor, and Akhil Chandra Paul. “Generalized (U, M)-Derivations of Completely Semiprime R-Rings”. Journal of Bangladesh Academy of Sciences 39, no. 1 (June 14, 2015): 115–123. Accessed August 17, 2024. https://banglajol.info/index.php/JBAS/article/view/23665.