TY  - JOUR
AU  - A. I. Budkin
TI  - On~filters in the lattice of quasivarieties of groups
JO  - Izvestiya. Mathematics 
PY  - 1989
SP  - 201
EP  - 207
VL  - 33
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1989_33_1_a8/
LA  - en
ID  - IM2_1989_33_1_a8
ER  -