https://www.vedomosti.ru/library/news/2008/06/05/rosneft-predlozhila-gazpromu-sovmestno-razrabatyvat-shelf-sahalina?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=rosneft-predlozhila-gazpromu-sovmestno-razrabatyvat-shelf-sahalina