https://graniru.org/opinion/portnikov/m.272166.html
http://www.kasparov.ru/material.php?id=5B74B88258804
https://iz.ru/778079/ilia-kramnik/zakryvaia-nebo-ssha-zamorozili-dogovor-o-razvedyvatelnykh-poletakh
http://www.kasparov.ru/material.php?id=5B748C36616F6
http://www.ng.ru/economics/2018-08-16/4_7290_defolt.html
Analysts warn that Turkey’s feud with the United States could motivate Ankara to start looking for new friends, and Russia appears happy to fill in the gap.
https://carnegie.ru/commentary/77042
https://www.gazeta.ru/business/2018/08/15/11897641.shtml
https://www.kommersant.ru/doc/3713761