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https://www.kommersant.ru/doc/5018091
https://www.rosbalt.ru/world/2021/09/22/1922421.html
https://www.rbc.ru/newspaper/2021/09/23/614a05889a7947146622a368
https://novayagazeta.ru/articles/2021/09/11/ukraintsam-nado-gotovitsia-k-prekrashcheniiu-tranzita
http://www.kasparov.ru/material.php?id=613900530B375§ion_id=444F8A447242B