Dey KK, Paul AC. On the Trace of a Permuting Tri-additive Mapping in Left s_γ-unital Γ-rings. J. Sci. Res. [Internet]. 2011 Apr. 28 [cited 2024 Nov. 28];3(2):331-7. Available from: https://banglajol.info/index.php/JSR/article/view/7278