%0 Journal Article %A Pergher, Pedro L. Q. %T Involutions Fixing Fn ∪ {Indecomposable} %J Canadian mathematical bulletin %D 2012 %P 164-171 %V 55 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-051-4/ %R 10.4153/CMB-2011-051-4 %F 10_4153_CMB_2011_051_4