Acta Mathematica Sinica, English Series
Acta Mathematica Sinica, English Series > 2004 > 20 > 4 > 695-708
Acta Mathematica Sinica, English Series > 2004 > 20 > 4 > 709-718
Acta Mathematica Sinica, English Series > 2004 > 20 > 4 > 605-612
Acta Mathematica Sinica, English Series > 2004 > 20 > 4 > 719-730
Acta Mathematica Sinica, English Series > 2004 > 20 > 4 > 663-682
Acta Mathematica Sinica, English Series > 2004 > 20 > 4 > 577-588
Acta Mathematica Sinica, English Series > 2004 > 20 > 4 > 731-738
Acta Mathematica Sinica, English Series > 2004 > 20 > 4 > 749-760
Acta Mathematica Sinica, English Series > 2004 > 20 > 4 > 647-652
Acta Mathematica Sinica, English Series > 2004 > 20 > 4 > 629-646
Acta Mathematica Sinica, English Series > 2004 > 20 > 4 > 683-694