https://www.radiosvoboda.org/a/news-rosiya-shoygu-viyska/31201790.html
https://www.inopressa.ru/article/13Apr2021/wsj/concequences.html
https://www.radiosvoboda.org/a/news-ssha-jesypenko/31200844.html
https://www.radiosvoboda.org/a/news-biden-putin-call/31201889.html
https://www.rosbalt.ru/blogs/2021/04/13/1897122.html
https://analytics.hvylya.net/228760-chi-vpishetsya-zahid-za-ukrajinu-v-razi-pochatku-velikoji-viyni
https://www.ft.com/content/afe82676-43fd-4826-9c57-b383399059ec
https://www.wsj.com/articles/putin-and-consequences-11618266935