%0 Journal Article
%A K. A. Mikhailova
%T The occurrence problem for free products of groups
%J Sbornik. Mathematics
%D 1968
%P 181-190
%V 4
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1968_4_2_a3/
%G en
%F SM_1968_4_2_a3