Ruan, Guozhen Dual Hahn-Banach theorem. (Chinese. English summary) Zbl 0761.46003 Nat. Sci. J. Xiangtan Univ. 14, No. 2, 52-57 (1992). MSC: 46A22 46G05 47A05 PDFBibTeX XMLCite \textit{G. Ruan}, Nat. Sci. J. Xiangtan Univ. 14, No. 2, 52--57 (1992; Zbl 0761.46003)
Gong, Zhiming; Wang, Jian A remark on the ideal problem. (Chinese. English summary) Zbl 0850.46021 Nat. Sci. J. Xiangtan Univ. 14, No. 2, 48-51 (1992). MSC: 46J20 46J15 30D55 30H05 PDFBibTeX XMLCite \textit{Z. Gong} and \textit{J. Wang}, Nat. Sci. J. Xiangtan Univ. 14, No. 2, 48--51 (1992; Zbl 0850.46021)