TY  - JOUR
AU  - S. A. Shakhova
TI  - On the cardinality of the lattice of quasivarieties of
JO  - Algebra i logika
PY  - 1999
SP  - 368
EP  - 375
VL  - 38
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1999_38_3_a6/
LA  - ru
ID  - AL_1999_38_3_a6
ER  -