Finkelshtein, A. B.
Chikova, O. A.
Makhmudzoda, M.
V’yukhin, V. V.
Article History
Received: 3 August 2018
Revised: 14 August 2018
Accepted: 26 August 2018
First Online: 25 September 2019
FUNDING
: This work was supported in the framework of scientific investigations in higher schools of the Russian Federation, state assignment no. 4.9541.2017/8.9.