1. Fuzzy perturbation analysis, Part 1;Hongxing;Fuzzy Sets and Systems,1985
2. Fuzzy perturbation analysis, Part 2;Li;Fuzzy Sets and Systems,1986
3. Inverse problem of multifactorial decision;Li;Fuzzy Mathematics,1985
4. Multifactorial fuzzy sets and multifactorial degree of nearness;Li;Fuzzy Sets and Systems,1986
5. The stability of the solutions of fuzzy relation equations;Hongxing;BUSEFAL,1984