Ergunova, Olga, Vladislav Lizunkov, Viktor Blaginin, Ekaterina Politsinskaya, and Olga I. Shaykina. 2018. “Formation of the Price Mechanism for Energy Resources in Russia and the Countries of the European Union”. International Journal of Energy Economics and Policy 8 (1):122-27. https://econjournals.com./index.php/ijeep/article/view/5873.