Zhao, Yan
Wu, Chuanxi
Mao, Jing
Du, Feng
Funding for this research was provided by:
NSF of China (11401131, 11801496)
China Scholarship Council
Fok Ying–Tung Education Foundation
Hubei Key Laboratory of Applied Mathematics
NSF of Hubei Provincial Department of Education (D20184301)
Article History
Received: 18 February 2019
Accepted: 5 September 2019
First Online: 23 September 2019