1968 | ||
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3 | EE | Dennis F. Cudia, Wilson E. Singletary: Degrees of Unsolvability in Formal Grammars. J. ACM 15(4): 680-692 (1968) |
2 | Dennis F. Cudia, Wilson E. Singletary: The Post Correspondence Problem. J. Symb. Log. 33(3): 418-430 (1968) | |
1967 | ||
1 | Wilson E. Singletary: A Note on Finite Axiomatization of Partial Propositional Calculi. J. Symb. Log. 32(3): 352-354 (1967) |
1 | Dennis F. Cudia | [2] [3] |