Yin, Zhengwei
Gan, Siqing
Funding for this research was provided by:
National Natural Science Foundation of China (CN) (No.11171352, No.11371123)
New Teachers’ Specialized Research Fund for the Doctoral Program from Ministry of Education of China (No.20120162120096)
Mathematics and Interdisciplinary Sciences Project, Cen- tral South University.
National Nature Science Foundation of China (11571373)