%0 Journal Article
%A P. S. Novikov
%A S. I. Adian
%T On abelian subgroups and the conjugacy problem in free periodic

%J Izvestiya. Mathematics 
%D 1968
%P 1131-1144
%V 2
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1968_2_5_a11/
%G en
%F IM2_1968_2_5_a11