https://jamestown.org/program/biden-putin-summit-failed-to-reverse-downturn-in-bilateral-relations/
https://www.politico.com/news/2021/07/27/russian-critics-biden-putin-relationship-500818
https://novayagazeta.ru/articles/2021/07/22/kholodnenkaia-poshla
https://www.dsnews.ua/politics/tankovyy-kulak-kak-polsha-gotovitsya-voevat-s-rossiey-20072021-431550
https://nvo.ng.ru/realty/2021-07-08/7_1148_balance.html
https://analytics.hvylya.net/233305-zhestkiy-plan-b-po-donbassu-ot-zelenskogo-realnost-ili-mif