Wang, Wenbo
Li, Quanqing
Li, Yongkun
Funding for this research was provided by:
National Natural Science Foundation of China (11901514, 11861072, 11801153)
Honghe University Doctoral Research Programs (XJ17B11)
Applied Basic Research Foundation of Yunnan Province (2018FD085)
Applied Basic Research Key Project of Yunnan (2017FH001-013)
Yunnan Province Applied Basic Research for General Project (2019FB001)
Article History
Received: 31 December 2019
Accepted: 27 February 2020
First Online: 5 March 2020
Competing interests
: The authors declare that they have no competing interests.
: All authors agree to publish this paper to Boundary Value Problems.