摘要
证明了以下结果：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＝０或者ｄ２＝０．
It is shown that let N be a 2-torsion - free distributive prime near -ring,and d 1 and d 2 derivations of N such that d 1d 2 is also a derivation,then d 1=0 or d2= 0.
出处
《湖北大学学报（自然科学版）》
CAS
1994年第4期382-384,共3页
Journal of Hubei University：Natural Science
