"2007-06-10Z"^^ . "1921Z"^^ . . "Russian scientist" . . "1921-07-19Z"^^ . . . "Valentin Vital'yevich Rumyantsev (ru: \u0412\u0430\u043B\u0435\u043D\u0442\u0438\u0301\u043D \u0412\u0438\u0442\u0430\u0301\u043B\u044C\u0435\u0432\u0438\u0447 \u0420\u0443\u043C\u044F\u0301\u043D\u0446\u0435\u0432) (19 July 1921, Novaya Skatovka, Saratov region \u2014 10 June 2007, Moscow) \u2014 Russian specialist in mechanics, stability theory and control."@en . . . "Rumyantsev, Valentin"@en . . "Valentin Vital'yevich Rumyantsev"@en . . . "2007Z"^^ . .