TY  - JOUR
AU  - R. V. Freivald
TI  - The completeness to within coding of systems of functions of a $k$-valued logic and the complexity of its recognition
JO  - Doklady Akademii Nauk
PY  - 1968
SP  - 803
EP  - 805
VL  - 180
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1968_180_4_a8/
LA  - ru
ID  - DAN_1968_180_4_a8
ER  -