TY  - JOUR
AU  - V. V. Gorlov
TI  - On closed classes of $k$-valued logic, all superclasses of which have only trivial congruences
JO  - Doklady Akademii Nauk
PY  - 1977
SP  - 273
EP  - 276
VL  - 234
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1977_234_2_a2/
LA  - ru
ID  - DAN_1977_234_2_a2
ER  -