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https://thebell.io/ubijstvo-glavy-dnr-aleksandra-zaharchenko-kakimi-budut-posledstviya/
http://www.ng.ru/cis/2018-04-12/1_7210_krum.html
http://intersectionproject.eu/ru/article/economy/saga-o-rosnefti
http://www.rbc.ru/newspaper/2017/06/16/59429d019a79476202fd9b73
https://www.nytimes.com/2017/06/09/world/europe/aleksei-navalny-russia-election-putin.html?_r=0
http://inosmi.ru/politic/20161018/238037872.html
http://inosmi.ru/politic/20161018/238039158.html
http://www.wsj.com/articles/russia-deceived-the-u-s-with-syria-promises-1476723597