Iranian Mathematical Society (IMS) Bulletin of the Iranian Mathematical Society 1017-060X 38 4 2012 12 15 On generalized left (alpha, beta)-derivations in rings893 905 en Mohammad Ashraf Aligarh Muslim University Shakir Ali Aligarh Muslim University Nadeem ur Rehman Aligarh Muslim University Muzibur Rahman Mozumder Aligarh Muslim University 2010 07 03 Prime ring Lie ideal Jordan left (alpha,beta)-derivation