TY  - JOUR
AU  - Zenkov, A.V.
TI  - Covers in the lattice of varieties of -groups.
JO  - Sibirskij Matematicheskij Zhurnal
PY  - 2006
SP  - 73
VL  - 47
IS  - 1
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/item/SMZ_2006__47_1_53171/
LA  - en
ID  - SMZ_2006__47_1_53171
ER  -