%0 Journal Article
%A M. V. Sapir
%T The restricted Burnside problem for varieties of semigroups
%J Izvestiya. Mathematics 
%D 1992
%P 659-667
%V 38
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1992_38_3_a11/
%G en
%F IM2_1992_38_3_a11