https://www.vedomosti.ru/library/news/2006/06/06/gazprom-i-gasunie-v-techenie-mesyaca-podpishut-memorandum-o-vzaimoponimanii?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=gazprom-i-gasunie-v-techenie-mesyaca-podpishut-memorandum-o-vzaimoponimanii