https://novayagazeta.ru/articles/2021/12/17/napadete-nakazhem
https://www.ng.ru/world/2021-12-16/1_8329_sanctions.html
https://www.kommersant.ru/doc/5130729
https://foreignpolicy.com/2021/12/13/biden-putin-ukraine-deter-russia-or-accept-defeat/
https://novayagazeta.ru/articles/2021/12/13/vagner-doigralsia
https://www.bbc.com/russian/features-59552095