TY  - JOUR
AU  - A. Yu. Ol'shanskii
TI  - Varieties of finitely approximable groups
JO  - Izvestiya. Mathematics 
PY  - 1969
SP  - 867
EP  - 877
VL  - 3
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1969_3_4_a8/
LA  - en
ID  - IM2_1969_3_4_a8
ER  -