http://www.svoboda.org/a/28059484.html
http://inosmi.ru/politic/20161018/238037872.html
http://inosmi.ru/politic/20161018/238039158.html
http://www.rbc.ru/newspaper/2016/10/17/58036fef9a7947b324ae54b8
http://www.cfr.org/syria/perplexing-problems-solving-syria/p38410
http://www.wsj.com/articles/russia-deceived-the-u-s-with-syria-promises-1476723597
http://inosmi.ru/politic/20161017/238028730.html