. . "Bugaev, Nikolai"@en . . . . . "1837Z"^^ . . "1903Z"^^ . "1837-09-14Z"^^ . "Nikolai Bugaev"@en . "Russian mathematician" . . "Nikolai Vasilievich Bugaev (Russian: \u041D\u0438\u043A\u043E\u043B\u0430\u0301\u0439 \u0412\u0430\u0441\u0438\u0301\u043B\u044C\u0435\u0432\u0438\u0447 \u0411\u0443\u0433\u0430\u0301\u0435\u0432; September 14, 1837 \u2013 June 11, 1903) was a prominent Russian mathematician, the father of Andrei Bely."@en . . . "1903-06-11Z"^^ . . . . .