https://novayagazeta.ru/articles/2022/01/11/glavnyi-terrorist-sovetskogo-soiuza
https://www.bbc.com/russian/features-59817247
https://www.bbc.com/russian/news-59815965
https://www.rbc.ru/newspaper/2021/12/29/619f93a29a79479fd98185b7
https://www.kommersant.ru/doc/5153367
https://www.rbc.ru/newspaper/2021/12/24/61c42af29a79474d8a0adb28
https://24tv.ua/nagadali-pro-budapeshtskiy-memorandum-novini-rosiyi-i-ukrayini_n1822928