%0 Journal Article %A Alejandra Garrido %T Abstract commensurability and the Gupta–Sidki group %J Groups, geometry, and dynamics %D 2016 %P 523-543 %V 10 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/355/ %R 10.4171/ggd/355 %F 10_4171_ggd_355