https://www.svoboda.org/a/usa-today-cold-war-russia-us/29906933.html
https://jamestown.org/program/belarus-threatens-to-cut-off-russias-pipeline-flows-to-europe/
https://www.svoboda.org/a/29905173.html
https://lb.ua/world/2019/04/25/425479_neftyanaya_pikirovka_cherez.html
https://carnegie.ru/commentary/78988
https://www.vedomosti.ru/politics/articles/2019/04/24/800091-predostavlenie-grazhdanstva-dnr-lnr
https://carnegie.ru/commentary/78967