%0 Journal Article %A Dominik Francoeur %A Ivan Mitrofanov %T On the existence of free subsemigroups in reversible automata semigroups %J Groups, geometry, and dynamics %D 2021 %P 1103-1132 %V 15 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/626/ %R 10.4171/ggd/626 %F 10_4171_ggd_626