https://carnegie.ru/commentary/85989
https://www.bbc.com/russian/features-59652453
https://www.rosbalt.ru/moscow/2021/12/14/1935672.html
https://theins.ru/obshestvo/247150
https://foreignpolicy.com/2021/12/13/biden-putin-ukraine-deter-russia-or-accept-defeat/
https://novayagazeta.ru/articles/2021/12/13/vagner-doigralsia
http://region.expert/belovezh/