%0 Journal Article %A Andrew J. Duncan %A Alina Vdovina %T Square-free words as products of commutators %J Groups, geometry, and dynamics %D 2009 %P 379-387 %V 3 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/62/ %R 10.4171/ggd/62 %F 10_4171_ggd_62