Churkin, D. V.
Sugavanam, S.
Tarasov, N.
Khorev, S.
Smirnov, S. V.
Kobtsev, S. M.
Turitsyn, S. K.
Article History
Received: 7 October 2014
Accepted: 23 March 2015
First Online: 7 May 2015
Competing interests
: The authors declare no competing financial interests.