1. McGraw-Hill Series in Information Processing and Computers;Davis, Martin,1958
2. Decidability of the elementary theory of relatively complemented lattices and of the theory of filters;Eršov, Ju. L.;Algebra i Logika Sem.,1964
3. Three theorems on recursive enumeration. I. Decomposition. II. Maximal set. III. Enumeration without duplication;Friedberg, Richard M.;J. Symbolic Logic,1958
4. 4-quantifier completeness: A Banach-Mazur functional not uniformly partial recursive;Friedberg, Richard M.;Bull. Acad. Polon. Sci. S\'{e}r. Sci. Math. Astr. Phys.,1958
5. A theorem on hyperhypersimple sets;Martin, Donald A.;J. Symbolic Logic,1963