https://www.radiosvoboda.org/a/normandskyy-format-donbas-rosiya-ukrayina/31542515.html
https://www.ng.ru/economics/2021-10-27/1_8288_russia.html
https://www.rosbalt.ru/world/2021/10/26/1927940.html
https://jamestown.org/program/the-kremlin-is-pleased-after-kozak-nuland-talks-on-ukraine-part-two/
https://jamestown.org/program/the-kremlin-is-pleased-after-kozak-nuland-talks-on-ukraine-part-one/
https://www.bbc.com/russian/features-40340292