Search results for: Jinfa Cheng
Applied Mathematics Letters > 2007 > 20 > 8 > 892-899
Acta Mathematica Scientia > 2007 > 27 > 3 > 574-580
Applied Mathematics Letters > 2007 > 20 > 8 > 892-899
Acta Mathematica Scientia > 2007 > 27 > 3 > 574-580