Acta Mathematicae Applicatae Sinica, English Series
Acta Mathematicae Applicatae Sinica, English Series > 2002 > 18 > 3 > 411-422
Acta Mathematicae Applicatae Sinica, English Series > 2003 > 19 > 3 > 499-504
Acta Mathematicae Applicatae Sinica, English Series > 2004 > 20 > 1 > 133-146
Acta Mathematicae Applicatae Sinica, English Series > 2006 > 22 > 2 > 265-272