http://ru.krymr.com/content/article/27222317.html
http://www.brookings.edu/blogs/order-from-chaos/posts/2015/09/01-russia-ukraine-next-steps-kalb
https://news.vice.com/article/russias-economy-is-a-mess-and-its-problems-arent-going-away
http://nationalinterest.org/feature/why-waiting-russia-collapse-terrible-ukraine-policy-13750
http://lenta.ru/articles/2015/09/01/china/
http://www.kommersant.ru/doc/2800422
http://www.kommersant.ru/doc/2800399
http://www.rbcdaily.ru/politics/562949996912316
http://thediplomat.com/2015/09/a-cold-summer-for-china-and-russia/