![](https://vestnik-ugrovedenia.ru/sites/default/files/styles/thumbnail/public/default_images/default-user.png?itok=zlB2CH-3)
Tsys V.V.
Doctor of Historical sciences,
associated proffesor,
Nizhnevartovsk State University
Nizhnevartovsk, Russia
[email protected]
Tsys V.V.
Doctor of Historical sciences,
associated proffesor,
Nizhnevartovsk State University
Nizhnevartovsk, Russia
[email protected]