https://www.gazeta.ru/business/2018/09/19/11975299.shtml
https://www.rbc.ru/newspaper/2018/09/25/5ba4e1999a79475b1992df91
https://www.kommersant.ru/doc/3751741
https://www.rbc.ru/newspaper/2018/09/25/5ba8e9069a79479e4f2d36c8
https://www.kommersant.ru/doc/3752098
https://theins.ru/perevody/118963
https://www.inopressa.ru/article/25Sep2018/bloomberg/losing.html
https://www.inopressa.ru/article/25Sep2018/zeit/opposition.html
https://carnegie.ru/commentary/77326
Four years on, the ground battle in eastern Ukraine is showing no signs of abating. And now, a new theater may be opening: the Sea of Azov.
https://worldview.stratfor.com/article/ukraine-and-russia-take-their-conflict-sea