TY  - JOUR
AU  - G. S. Tseitin
TI  - Three theorems on constructive functions
JO  - Informatics and Automation
PY  - 1964
SP  - 537
EP  - 543
VL  - 72
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1964_72_a15/
LA  - ru
ID  - TRSPY_1964_72_a15
ER  -