ru %D0%92%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%9A %D1%83%D0%B4%D0%B0%D0%BB%D0%B5%D0%BD%D0%B8%D1%8E %D0%93%D1%83%D0%BC%D0%B0%D0%BD%D0%BE%D0%B8%D0%B4 (%D1%84%D0%B8%D0%BB%D1%8C%D0%BC, 1981)