%0 Journal Article %A Lyndon, R. C. %A Wicks, M. J. %T Commutators in Free Groups %J Canadian mathematical bulletin %D 1981 %P 101-106 %V 24 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-016-1/ %R 10.4153/CMB-1981-016-1 %F 10_4153_CMB_1981_016_1