Search results for: R. Zhang
Acta Mathematica Hungarica > 2019 > 159 > 1 > 287-298
Acta Mathematica Hungarica > 2010 > 129 > 1-2 > 153-159
Acta Mathematica Hungarica > 2019 > 159 > 1 > 287-298
Acta Mathematica Hungarica > 2010 > 129 > 1-2 > 153-159