%0 Journal Article %A Aglaia Myropolska %A Tatiana Nagnibeda %T On transitivity and (non)amenability of Aut $F_n$ actions on group presentations %J Groups, geometry, and dynamics %D 2014 %P 837-861 %V 8 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/250/ %R 10.4171/ggd/250 %F 10_4171_ggd_250