https://www.vedomosti.ru/library/news/2005/10/18/gref-nazval-plyusy-i-minusy-priobreteniya-gazpromom-sibnefti?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=gref-nazval-plyusy-i-minusy-priobreteniya-gazpromom-sibnefti