https://www.vedomosti.ru/economics/news/2018/01/09/747229-srednyaya-tsena-barrelya-nefti-urals-v-2017-g-previsila-53?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=747229-srednyaya-tsena-barrelya-nefti-urals-v-2017-g-previsila-53