TY  - JOUR
AU  - Ya. L. Mordvinov
TI  - On varieties with a semilattice countable skeleton of
JO  - Algebra i logika
PY  - 1993
SP  - 288
EP  - 307
VL  - 32
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1993_32_3_a4/
LA  - ru
ID  - AL_1993_32_3_a4
ER  -