TY  - JOUR
AU  - S. S. Marchenkov
TI  - Representation of dictionary predicates from the arithmetical hierarchy
JO  - Diskretnaya Matematika
PY  - 1990
SP  - 87
EP  - 93
VL  - 2
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DM_1990_2_1_a9/
LA  - ru
ID  - DM_1990_2_1_a9
ER  -