https://www.vedomosti.ru/business/news/2015/04/01/printsip-beri-ili-plati-s-1-aprelya-prodolzhaet-deistvovat-v-gazovom-kontrakte-s-ukrainoi---novak?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=printsip-beri-ili-plati-s-1-aprelya-prodolzhaet-deistvovat-v-gazovom-kontrakte-s-ukrainoi---novak