Tsaran, V. Yu.
Kavokin, A. V.
Sharapov, S. G. http://orcid.org/0000-0002-8871-0917
Varlamov, A. A.
Gusynin, V. P.
Article History
Received: 26 April 2017
Accepted: 11 August 2017
First Online: 31 August 2017
Competing Interests
: The authors declare that they have no competing interests.