https://www.radiosvoboda.org/a/news-obmin-na-donbasi/30770848.html
https://www.foreignaffairs.com/articles/russian-federation/2020-06-09/pinning-down-putin
https://focus.ua/politics/459745-peregovorshchik_s_kremljom
https://novayagazeta.ru/articles/2020/06/10/85795-obmennyy-kurs-zelenskogo
https://ru.krymr.com/a/pochemu-ukraina-ne-mojet-vernut-svoih-zakluchennyh-grajdan/30587895.html