 In 1965, Kurepa shifted to the University of Belgrade, where he focused on the fields of logic and set theory mathematics.Kurepa was a member of several organizations, including the Serbian Academy of Sciences and Arts and the Yugoslav Academy of Sciences and Arts He was also the founder and president of the Society of Mathematicians and Physicists of Croatia, the founder and chief editor of the journal "Mathematica Balkanica", and the president of the Yugoslav National Committee for Mathematics, the Balkan Mathematical Society, and the Union of Yugoslav Societies of Mathematicians, Physicisists and Astronomers.He received the AVNOJ Award in 1976, and retired from the University of Belgrade in 1977.