"2004-06-01T00:00:00Z"^^ . . . . . . . . "\u043F\u0443\u0431\u043B\u0456\u043A\u0430\u0446\u0456\u044F \u0437\u0430\u043F\u0438\u0442\u0443 \u043A\u043E\u043C\u0435\u043D\u0442\u0430\u0440\u0456\u0432"@uk . "request for comments publication"@en . "RFC 3803: Content Duration MIME Header Definition"@en . "Content Duration MIME Header Definition"@en . . . "3803" . "G. Parsons" . . . . . "journals/rfc/rfc3803" . . . "RFC 3803: Content Duration MIME Header Definition"@en . "Content Duration MIME Header Definition"@en . . . . . . . "RFC3803"@en . . "10.17487/RFC3803" . . . . "RFC 3803: Content Duration MIME Header Definition"@en . . . "5"^^ . .