2002 | ||
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3 | John Todd Hammond: Congruence Relations on Lattices of Recursively Enumerable Sets. J. Symb. Log. 67(2): 497-504 (2002) | |
1999 | ||
2 | John Todd Hammond: Friedberg Splittings in Sigma 03 Quotient Lattices of Epsilon. J. Symb. Log. 64(4): 1403-1406 (1999) | |
1993 | ||
1 | John Todd Hammond: Nonisomorphism of Lattices of Recursively Enumerable Sets. J. Symb. Log. 58(4): 1177-1188 (1993) |