Search results for: Xiangzheng Qian
Nonlinear Analysis > 2008 > 68 > 3 > 629-638
Nonlinear Analysis: Real World Applications > 2007 > 8 > 1 > 27-39
Discrete Mathematics > 1999 > 202 > 1-3 > 163-172
Acta Mathematica Scientia > 1996 > 16 > 1 > 113-120