https://www.ng.ru/economics/2021-12-15/4_8327_news1.html
https://www.ng.ru/editorial/2021-12-14/2_8326_editorial.html
https://novayagazeta.ru/articles/2021/12/14/net-kapusty-pust-ediat-avokado
https://foreignpolicy.com/2021/12/13/biden-putin-ukraine-deter-russia-or-accept-defeat/
https://www.rosbalt.ru/blogs/2021/12/13/1935477.html
https://www.ng.ru/dipkurer/2021-12-12/9_8324_negotiation.html