Piligaev, A. V.
Sorokina, K. N.
Samoylova, Yu. V.
Parmon, V. N.
Article History
Received: 26 November 2018
Revised: 2 December 2018
Accepted: 3 December 2018
First Online: 13 January 2020
ADDITIONAL INFORMATION
: This paper was translated by the authors.