"1921-03-02Z"^^ . "Belgian mathematician" . "1999-12-26Z"^^ . . "1999Z"^^ . "Vitold Belevitch (2 March 1921 \u2013 26 December 1999) was a Belgian mathematician and electrical engineer of Russian origin who produced some important work in the field of electrical network theory. Born to parents fleeing the Bolsheviks, he settled in Belgium where he worked on early computer construction projects."@en . "Belevitch, Vitold"@en . . "1921Z"^^ .