Revision history for entry Yates, C. E. M. (1970). "Initial segments of the degrees of unsolvability part II: Minimal degrees" [YATISO] |
| Time | Type | Notes |
Revision history for entry Yates, C. E. M. (1970). "Initial segments of the degrees of unsolvability part II: Minimal degrees" [YATISO] |
| Time | Type | Notes |