TY  - JOUR
AU  - A. P. Beltiukov
TI  - Hierarchy of complexity of computation of partial functions with values~0 and~1
JO  - Matematičeskie zametki
PY  - 1980
SP  - 423
EP  - 431
VL  - 28
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1980_28_3_a9/
LA  - ru
ID  - MZM_1980_28_3_a9
ER  -