https://www.ng.ru/armies/2021-12-24/11_8335_army3.html
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
https://www.ng.ru/editorial/2021-12-16/2_8329_editorial.html