摘要
文章主要指出文 [1]中一种不确切的说法 ,并就 Rn中闭集的距离及分离分有界和无界情形进行了讨论 ,同时给出了较直观的证明。
This paper primarily points out a kind of inaccurate speaking in[1],and of ters a discussion about the distance as well as the situation of separation,giving at the same time the direct proof
出处
《新疆师范大学学报(自然科学版)》
2004年第4期24-25,共2页
Journal of Xinjiang Normal University(Natural Sciences Edition)