Search results for: Ping Yuan
Acta Mathematica Sinica, English Series > 2001 > 17 > 2 > 253-262
Acta Mathematica Sinica, English Series > 2001 > 17 > 2 > 253-262
Acta Mathematica Sinica, English Series > 2001 > 17 > 2 > 253-262
Acta Mathematica Sinica, English Series > 2001 > 17 > 2 > 253-262