TY  - JOUR
AU  - Yu. L. Ershov
TI  - $\Sigma$-predicates of finite types over an admissible set
JO  - Algebra i logika
PY  - 1985
SP  - 499
EP  - 536
VL  - 24
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1985_24_5_a0/
LA  - ru
ID  - AL_1985_24_5_a0
ER  -