Search results for: X. Shen
Acta Mathematica Hungarica > 2009 > 123 > 3 > 229-232
Acta Mathematica Hungarica > 2009 > 122 > 3 > 231-235
Acta Mathematica Hungarica > 2009 > 123 > 3 > 229-232
Acta Mathematica Hungarica > 2009 > 122 > 3 > 231-235