https://www.vedomosti.ru/library/news/2005/04/07/greciya-bolgariya-i-rf-podpishut-memorandum-o-stroitelstve-nefteprovoda-12-aprelya?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=greciya-bolgariya-i-rf-podpishut-memorandum-o-stroitelstve-nefteprovoda-12-aprelya