摘要
本文首先证明了文献[2]和[4]的结果不是已有结果的推广,而是包含在已有结果之中.然后我们改进了[2]的部分工作.
In this paper we have showed that the results in[2]and[4]are not generalization of known results but
contained in them.Then we have improved some work of[2].
出处
《黄冈师范学院学报》
1990年第3期1-4,12,共5页
Journal of Huanggang Normal University
关键词
τ—合成列
U—合成列
τ_v-合成列
w-composition scrics
U-composition scrics
r_u-composition Scrics
