| |
| 1975 | ||
|---|---|---|
| 2 | Ivan Marques: On Degrees of Unsolvability and Complexity Properties. J. Symb. Log. 40(4): 529-540 (1975) | |
| 1973 | ||
| 1 | Manuel Blum, Ivan Marques: On Complexity Properties of Recursively Enumerable Sets. J. Symb. Log. 38(4): 579-593 (1973) | |
| 1 | Manuel Blum | [1] |