Zhukov, A. http://orcid.org/0000-0001-5025-4859
Ipatov, M.
del Val, J. J.
Zhukova, V.
Chernenko, V. A.
Article History
Received: 21 September 2017
Accepted: 18 December 2017
First Online: 12 January 2018
Competing Interests
: The authors declare that they have no competing interests.