TY  - JOUR
AU  - V. B. Kudryavtsev
TI  - On $S$-systems of functions of $k$-valued logic
JO  - Doklady Akademii Nauk
PY  - 1971
SP  - 20
EP  - 22
VL  - 199
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1971_199_1_a3/
LA  - ru
ID  - DAN_1971_199_1_a3
ER  -