Search results for: Changjin Xu
Mathematical Methods in the Applied Sciences > 40 > 6 > 2177 - 2196
Advances in Difference Equations > 2016 > 2016 > 1 > 1-14
Mathematical Methods in the Applied Sciences > 40 > 6 > 2177 - 2196
Advances in Difference Equations > 2016 > 2016 > 1 > 1-14