TY  - JOUR
AU  - S. Yu. Podzorov
TI  - Initial Segments in Rogers Semilattices of $\Sigma^0_n$-Computable Numberings
JO  - Algebra i logika
PY  - 2003
SP  - 211
EP  - 226
VL  - 42
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_2003_42_2_a4/
LA  - ru
ID  - AL_2003_42_2_a4
ER  -