摘要
定义了函子的群逆,给出了函子的群逆存在的充要条件。
In this paper we define the group inverse of functor and necessary and suffi- cient conditions for its existence are also given.
出处
《铁道师院学报》
1998年第4期4-6,共3页
Journal of Suzhou Railway Teachers College(Natural Science Edition)