The Degrees of Hyperimmune Sets

Classes of Recursively Enumerable Sets and Degrees of Unsolvability

Donald A. Martin · Mathematical logic quarterly · 1966 · 220 citations

Natural Sciences, Computer Science, Mathematics +11

On Degrees of Recursive Unsolvability

Clifford Spector · Annals of Mathematics · 1956 · 199 citations

Computing, Computer Science, Mathematics +10

A theorem on hypersimple sets

J. C. E. Dekker · Proceedings of the American Mathematical Society · 1954 · 84 citations

Natural Sciences, Mathematics, Set Theory +2

Retraceable Sets

J. C. E. Dekker, John Myhill · Canadian Journal of Mathematics · 1958 · 72 citations · Full text

Natural Sciences, Computer Science, Mathematics +8