TY  - JOUR
AU  - N. V. Bayanova
TI  - Coverings in the lattice of quasivarieties of $l$-groups
JO  - Algebra i logika
PY  - 1996
SP  - 379
EP  - 388
VL  - 35
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1996_35_4_a0/
LA  - ru
ID  - AL_1996_35_4_a0
ER  -