Klaus Ambos-Spies. On the Strongly Bounded Turing Degrees of the Computably Enumerable Sets. In Adam R. Day, Michael R. Fellows, Noam Greenberg, Bakhadyr Khoussainov, Alexander G. Melnikov, Frances A. Rosamond, editors, Computability and Complexity - Essays Dedicated to Rodney G. Downey on the Occasion of His 60th Birthday. Volume 10010 of Lecture Notes in Computer Science, pages 563-598, Springer, 2017. [doi]
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