TY  - JOUR
AU  - S. A. Badaev
AU  - S. S. Goncharov
AU  - A. Sorbi
TI  - Isomorphism types of Rogers semilattices for families from different levels of the arithmetical hierarchy
JO  - Algebra i logika
PY  - 2006
SP  - 637
EP  - 654
VL  - 45
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_2006_45_6_a0/
LA  - ru
ID  - AL_2006_45_6_a0
ER  -