本文对多元有理分式恒等定理，给出一种证明方法。
The essay points out a demonstration method to the poly-rational fraction identical theorem.
给出了满足某可变恒等式的半质环的交换性定理，推广了已有的结论。
In this paper, the author gave some commutativity theorems on semi-prime ring with variable identity, which is a generalization related.
建立了由函数恒等式所导出的函数项级数的求和定理，并给出了具体应用的实例。
A theorem for the summation of series expressed by function terms derived from function identities is established. Some examples in practical application are given.
应用推荐