Denisov S D

Publications in Math-Net.Ru

1. Structure of the upper semilattice of recursively enumerable $m$-degrees and related questions. I
   
   Algebra Logika, 17:6 (1978),  643–683
2. A two-element separable enumerated set $\gamma $ with an unsolvable problem $P(\gamma ,\gamma )$
   
   Algebra Logika, 14:5 (1975),  523–532
3. Three theorems on elementary theories and $tt$-reducibility
   
   Algebra Logika, 13:1 (1974),  5–8
4. Models of a noncontradictory formula and the hierarchy of Eršov
   
   Algebra Logika, 11:6 (1972),  648–655
5. Complete numerations with an infinite number of special elements
   
   Algebra Logika, 9:5 (1970),  503–509
6. The $m$-degrees of recursively enumerable sets
   
   Algebra Logika, 9:4 (1970),  422–427