%0 Journal Article
%A Adrian Ioana
%A Alexander S. Kechris
%A Todor Tsankov
%T Subequivalence relations and positive-definite functions
%J Groups, geometry, and dynamics
%D 2009
%P 579-625
%V 3
%N 4
%U http://geodesic.mathdoc.fr/articles/10.4171/ggd/71/
%R 10.4171/ggd/71
%F 10_4171_ggd_71