https://www.rbc.ru/newspaper/2021/12/20/61bc5d059a794770833e7b51
https://edition.cnn.com/2021/12/19/politics/joe-biden-russia-ukraine-obama-2014/index.html
https://24tv.ua/nagadali-pro-budapeshtskiy-memorandum-novini-rosiyi-i-ukrayini_n1822928
https://ru.krymr.com/a/rossiya-zapad-nato-ukraina-naprayzhennost-vtorzheniye-ugroza/31614512.html
https://www.dw.com/ru/v-plenu-u-separatistov-v-donbasse-aresty-i-pytki-zhenshhin/a-60165753
https://zn.ua/ukr/international/novi-pretenziji-putina-choho-shche-vin-khoche-vid-ukrajini.html
https://www.levada.ru/2021/12/17/rossijsko-ukrainskie-otnosheniya-10/