共 12 条
- [1] GRAVER JE, 1977, COMBINATORICS EMPHAS
- [2] Jacobson N., 1985, Basic Algebra I, V2nd ed
- [3] Liu X., 1994, J FUZZY MATH, V2, P311
- [4] LIU X, 1996, J DALIAN MARITIME U, V22, P96
- [5] LIU XD, 1995, J FUZZY MATH, V3, P559
- [6] LIU XD, IN PRESS FUZZY SETS
- [7] LIU XD, 1995, P 2 ACAD C LIAO NING
- [8] LIU XD, 1995, P ICIK 1995 DAL MAR
- [9] LIU XD, 1995, J FUZZY MATH, V3, P561
- [10] LIU XD, IN PRESS FUZZY THEOR