https://www.vedomosti.ru/library/news/2006/06/21/gazprom-rasschityvaet-chto-birzhevye-torgi-gazom-v-rf-nachnutsya-v-2007-g?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=gazprom-rasschityvaet-chto-birzhevye-torgi-gazom-v-rf-nachnutsya-v-2007-g