https://novayagazeta.ru/articles/2021/12/24/raspad-i-potom
https://theins.ru/antifake/247395
https://www.bbc.com/russian/news-59766531
https://www.kommersant.ru/doc/5143341
https://www.rbc.ru/newspaper/2021/12/24/61c34e3f9a79470ec7ba9221
https://edition.cnn.com/2021/12/19/politics/joe-biden-russia-ukraine-obama-2014/index.html
https://www.bbc.com/russian/features-59676617