Bunyaev, S. A.
Golub, V. O.
Salyuk, O. Yu.
Tartakovskaya, E. V.
Santos, N. M.
Timopheev, A. A.
Sobolev, N. A.
Serga, A. A.
Chumak, A. V.
Hillebrands, B.
Kakazei, G. N.
Article History
Received: 21 August 2015
Accepted: 17 November 2015
First Online: 22 December 2015
Competing interests
: The authors declare no competing financial interests.