%0 Journal Article
%A Sergio Estrada
%A José L. Rodríguez
%T Envelopes and covers for groups
%J Groups, geometry, and dynamics
%D 2018
%P 107-120
%V 12
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4171/ggd/440/
%R 10.4171/ggd/440
%F 10_4171_ggd_440