https://www.foreignaffairs.com/russia/fiona-hill-putin-kremlin-strange-victory
http://www.kas.de/wf/doc/kas_450-2190-2-30.pdf?170424105349
https://www.ips-journal.eu/topics/foreign-and-security-policy/yes-to-arms-aid-no-to-western-integration-6607/
https://www.francesoir.fr/videos-lentretien-essentiel/bertrand-scholler