Chen, Mingjing http://orcid.org/0000-0002-0314-7329
Funding for this research was provided by:
Chongqing Key Laboratory of Social Economy and Applied Statistics (KFJJ2019101)
the Mathematical Statistics Team of CTBU (ZDPTTD201906)
Article History
Received: 14 February 2019
Revised: 26 August 2020
Accepted: 29 November 2020
First Online: 4 January 2021