Zhang, Guangji; Zou, Kaiqi; Zhang, Cheng Fuzzifying topological linear spaces based on continuous-valued logic. (English) Zbl 1101.54011 J. Math. Res. Expo. 26, No. 1, 77-88 (2006). MSC: 54A40 46A99 PDFBibTeX XMLCite \textit{G. Zhang} et al., J. Math. Res. Expo. 26, No. 1, 77--88 (2006; Zbl 1101.54011)
Zhang, Guang-ji; Zou, Kai-qi; Zhang, Cheng Fuzzifying convex sets based on continuous-valued logic. (English) Zbl 1075.46060 J. Fuzzy Math. 13, No. 1, 101-108 (2005). MSC: 46S40 03B52 PDFBibTeX XMLCite \textit{G.-j. Zhang} et al., J. Fuzzy Math. 13, No. 1, 101--108 (2005; Zbl 1075.46060)
Zhang, Cheng; Zou, Kai Qi; Xia, Zun Quan Affine fuzzy sets and fuzzy subspaces redefined. (Chinese. English summary) Zbl 1333.03212 Fuzzy Syst. Math. 17, No. 2, 39-42 (2003). MSC: 03E72 54A40 PDFBibTeX XMLCite \textit{C. Zhang} et al., Fuzzy Syst. Math. 17, No. 2, 39--42 (2003; Zbl 1333.03212)
Zhang, Cheng; Xia, Zunquan; Zou, Kaiqi Fuzzy affine spaces and fuzzy vector subspaces. (Chinese. English summary) Zbl 1060.46059 J. Dalian Univ. Technol. 43, No. 3, 262-265 (2003). MSC: 46S40 PDFBibTeX XMLCite \textit{C. Zhang} et al., J. Dalian Univ. Technol. 43, No. 3, 262--265 (2003; Zbl 1060.46059)
Zhang, Guangji; Zhang, Cheng; Zou, Kaiqi Fuzzifying BCK-algebras. (Chinese. English summary) Zbl 1332.06061 Fuzzy Syst. Math. 15, No. 2, 33-36 (2001). MSC: 06F35 06D72 PDFBibTeX XMLCite \textit{G. Zhang} et al., Fuzzy Syst. Math. 15, No. 2, 33--36 (2001; Zbl 1332.06061)