Kang, Jing
Liu, Xiaochuan
Olver, Peter J.
Qu, Changzheng
Funding for this research was provided by:
NSF-China grant (11471260)
Foundation of Shannxi Education Committee (12JK0850)
NSF-China grant (11401471)
Ph.D. Programs Foundation of Ministry of Education of China (20136101120017)
Shannxi Province grant (2013JQ1001)
Directorate for Mathematical and Physical Sciences (DMS-1108894)
NSF-China grant (11471174)
NSF of Ningbo grant (2014A610018)
Article History
Received: 19 February 2015
Accepted: 12 August 2015
First Online: 26 August 2015