https://carnegie.ru/commentary/86091
https://snob.ru/news/chto-skazal-vladimir-putin-na-press-konferencii-korotko/
https://www.rbc.ru/newspaper/2021/12/24/61c34e3f9a79470ec7ba9221
https://www.rbc.ru/newspaper/2021/12/22/61c1a9509a79476aa5e6b2cf
https://edition.cnn.com/2021/12/19/politics/joe-biden-russia-ukraine-obama-2014/index.html
https://novayagazeta.ru/articles/2021/12/17/napadete-nakazhem
https://theins.ru/history/247176
https://www.ng.ru/world/2021-12-16/1_8329_sanctions.html