1999 | ||
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2 | Stephan Wehner: On Recursive Enumerability with Finite Repetitions. J. Symb. Log. 64(3): 927-945 (1999) | |
1994 | ||
1 | Stephan Wehner: The Index Set of Injectively Enumerable Classes of Recursively Enumerable Sets is Sigma5-Complete. Math. Log. Q. 40: 87-94 (1994) |