
https://www.crisisgroup.org/europe-central-asia/eastern-europe/ukraine/260-peace-ukraine-ii-new-approach-disengagement

https://www.ips-journal.eu/topics/foreign-and-security-policy/security-in-limbo-7255/

https://www.crisisgroup.org/europe-central-asia/eastern-europe/ukraine/long-war-ukraine-perspectives-kyiv-and-washington