TY  - JOUR
AU  - N. R. Emel'yanov
TI  - Complexity of the solution of the problem of $\alpha$-expressibility in $k$-valued logic
JO  - Diskretnaya Matematika
PY  - 1989
SP  - 65
EP  - 77
VL  - 1
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DM_1989_1_2_a6/
LA  - ru
ID  - DM_1989_1_2_a6
ER  -