摘要
结合环的交换性理论是环论的一个重要内容．它也是交换代数、代数数论的理论基础．本文对有单位元的ＰＩ－环进行了研究，得到了一些新的交换性结果．
The commutative theory of associative ring is the main contents of ring theory. It is a theory fundamental of commutative algebra and algebra number theory. A discussion is made of an PI-ring which has an identity element for the Purpose of meeting the conditions which obtains some of the results characterized by commutation.
出处
《大连铁道学院学报》
2001年第3期1-4,共4页
Journal of Dalian Railway Institute
