TY  - JOUR
AU  - M. V. Sapir
TI  - The restricted Burnside problem for varieties of semigroups
JO  - Izvestiya. Mathematics 
PY  - 1992
SP  - 659
EP  - 667
VL  - 38
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1992_38_3_a11/
LA  - en
ID  - IM2_1992_38_3_a11
ER  -