ALI, Shakir, FOŠNER, Ajda and KHAN, Mohammad Salahuddin, 2013, A note on commutativity of rings with additive mappings. [online]. 2013. Vol. 19, no. 2, p. 199–204. [Accessed 8 April 2025]. Retrieved from: http://dx.doi.org/10.1016/j.ajmsc.2012.10.002