TY  - JOUR
AU  - R. K. Prank
TI  - Expressibility in the elementary theory of recursively
JO  - Algebra i logika
PY  - 1981
SP  - 427
EP  - 439
VL  - 20
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1981_20_4_a4/
LA  - ru
ID  - AL_1981_20_4_a4
ER  -