Maksimenko, A. V.
Beabealashvili, R. Sh.
Article History
Received: 12 September 2019
Revised: 27 September 2019
Accepted: 21 October 2019
First Online: 27 April 2020
COMPLIANCE WITH ETHICAL STANDARDS
: The work has no studies involving humans or animals as subjects of the study.
: Authors declare they have no conflicts of interest.