. . . . "her death"@en . . . . ""@en . . . . . . . . . . . . . . . . . . . "5274"^^ . . . . . . . . . "Sigve Tj\u00F8tta"@en . . . . . . . . . . . . . . . . . "1052907869"^^ . . "Sigve Tj\u00F8tta"@en . . "Klepp, Norway"@en . . . "1964"^^ . . . . . . . . . . . . "Sigve Tj\u00F8tta (born 1 March 1930) is a Norwegian mathematician."@en . . . . . . . . . . . . . . . . . . . . . "Mathematician"@en . "Tj\u00F8tta in 1966"@en . . . . . . . . . . . . . . . . "24897365"^^ . . "1930-03-01"^^ . . . . . . . . "Sigve Tj\u00F8tta"@en . . "Sigve Tj\u00F8tta (born 1 March 1930) is a Norwegian mathematician."@en . . . . . . "2017"^^ . "1930-03-01"^^ . . . . . . . . . .