Discussion on Some Issues in the Study of Genyue Royal Garden of the Northern Song Dynasty;
关于北宋皇家苑囿艮岳研究中若干问题的探讨
If Χ is a bornologic space, the conclusion is proved that Χ is a normal linear space if and only if X is a normal linear space.
证明了囿空间可赋范的充要条件是其强对偶可赋