Wang, Yu
Yin, Wotao
Zeng, Jinshan
Funding for this research was provided by:
National Science Foundation (DMS-1317602, ECCS-1462398)
National Natural Science Foundation of China (61603162, 11501440)
Article History
Received: 23 November 2016
Revised: 6 December 2017
Accepted: 30 May 2018
First Online: 7 June 2018