Search results for: De Xue Zhang
Acta Mathematica Sinica, English Series > 2002 > 18 > 1 > 55-68
Fuzzy Sets and Systems > 1995 > 76 > 2 > 259-270
Acta Mathematica Sinica, English Series > 2002 > 18 > 1 > 55-68
Fuzzy Sets and Systems > 1995 > 76 > 2 > 259-270