https://www.project-syndicate.org/commentary/putin-oligarchs-children-by-anders-aslund-2017-06
https://www.washingtonpost.com/world/europe/russian-submarines-are-prowling-around-vital-undersea-cables-its-making-nato-nervous/2017/12/22/d4c1f3da-e5d0-11e7-927a-e72eac1e73b6_story.html?utm_term=.e39e8fb9dafe
https://stratpol.com/maria-zakharova-nous-voulons-une-ukraine-neutre-non-alignee-et-non-nucleaire/
https://www.ips-journal.eu/topics/foreign-and-security-policy/yes-to-arms-aid-no-to-western-integration-6607/