http://www.kasparov.ru/material.php?id=618B9739D906A
https://www.radiosvoboda.org/a/normandskyy-format-donbas-rosiya-ukrayina/31542515.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