Huang, Changming
Ye, Fangwei
Chen, Xianfeng
Kartashov, Yaroslav V.
Konotop, Vladimir V.
Torner, Lluis
Article History
Received: 5 July 2016
Accepted: 11 August 2016
First Online: 2 September 2016
Competing interests
: The authors declare no competing financial interests.