Zhu, Hongqiang
Qiu, Jianxian
Qiu, Jing-Mei
Funding for this research was provided by:
Division of Mathematical Sciences (DMS-121700, 1522777)
U.S. Air Force (FA9550-12-0318)
National Natural Science Foundation of China (11201242, 91530107)
National Natural Science Foundation of China (11571290)
Jiangsu Government Scholarship for Oversee Studies
Article History
Received: 10 January 2016
Revised: 8 June 2016
Accepted: 11 June 2016
First Online: 16 June 2016