%0 Journal Article %A Sam Shepherd %T Two generalisations of Leighton’s theorem (with an appendix by Giles Gardam and Daniel J. Woodhouse) %J Groups, geometry, and dynamics %D 2022 %P 743-778 %V 16 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/682/ %R 10.4171/ggd/682 %F 10_4171_ggd_682