Bulychev, A. A.
Article History
Received: 9 June 2021
Revised: 9 June 2021
Accepted: 9 June 2021
First Online: 31 January 2022
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests</i>. The author declares that has no conflict of interests.
: <i>Statement on the welfare of humans or animals</i>. This article does not contain any studies involving humans or animals performed by any of the authors.