TY  - JOUR
AU  - V. L. Selivanov
TI  - The fine hierarchy and definable index sets
JO  - Algebra i logika
PY  - 1991
SP  - 705
EP  - 725
VL  - 30
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1991_30_6_a5/
LA  - ru
ID  - AL_1991_30_6_a5
ER  -