Search results for: Qin Feng
Acta Mathematica Sinica, English Series > 2005 > 21 > 1 > 143-154
Acta Mathematica Sinica, English Series > 2004 > 20 > 3 > 507-514
Acta Mathematica Sinica, English Series > 2005 > 21 > 1 > 143-154
Acta Mathematica Sinica, English Series > 2004 > 20 > 3 > 507-514