Cardoso, Wesley B. http://orcid.org/0000-0002-3192-392X
Salasnich, Luca
Malomed, Boris A. http://orcid.org/0000-0001-5323-1847
Article History
Received: 26 May 2017
Accepted: 20 November 2017
First Online: 4 December 2017
Competing Interests
: The authors declare that they have no competing interests.