摘要
本文证明了：设N是2-挠自由分配素近环，d1，d2是N的两个导子使得d1d2也是一个导子，则d1=O或者d2=0。
It is shown that Iet N be a 2-torsion-free distributive prime near- ring,and d1 and d2 derivations of N such that d1d2 is also a derivation,then d1 =0 or d2= 0
出处
《湘潭师范学院学报（社会科学版）》
1994年第6期12-13,共2页
Journal of Xiangtan Normal University(Social Science Edition)
关键词
导子
分配素近环
挠自由
Derivation
distributive prime near-ring
torsion-free
