%0 Journal Article
%A Freslon, Amaury
%T Positive definite functions and cut-off for discrete groups
%J Canadian mathematical bulletin
%D 2021
%P 306-322
%V 64
%N 2
%U http://geodesic.mathdoc.fr/articles/10.4153/S0008439520000466/
%R 10.4153/S0008439520000466
%F 10_4153_S0008439520000466