TY  - JOUR
AU  - V. L. Selivanov
TI  - Two theorems on computable numerations
JO  - Algebra i logika
PY  - 1976
SP  - 470
EP  - 484
VL  - 15
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1976_15_4_a5/
LA  - ru
ID  - AL_1976_15_4_a5
ER  -