https://www.ng.ru/dipkurer/2021-12-12/9_8324_negotiation.html
https://www.ng.ru/week/2021-11-14/8_8300_week4.html
https://carnegie.ru/commentary/85683
https://jamestown.org/program/biden-putin-summit-failed-to-reverse-downturn-in-bilateral-relations/
https://nvo.ng.ru/realty/2021-07-29/9_1151_peacekeepers.html