http://www.cfr.org/syria/beware-investing-too-much-hope-syrian-ceasefire/p38285
http://inosmi.ru/military/20160913/237838662.html
http://inopressa.ru/article/13Sep2016/foreignpolicy/syria_usa.html
http://inosmi.ru/military/20160913/237845656.html
http://inosmi.ru/politic/20160913/237845899.html
http://ru.krymr.com/a/27984091.html
https://www.franceinter.fr/emissions/geopolitique/geopolitique-12-septembre-2016
http://foreignpolicy.com/2016/09/12/doubts-run-deep-among-u-s-officials-over-deal-with-russia/