%0 Journal Article %A Antonio Restivo %T Permutation properties and the Fibonacci semigroup. %J Semigroup forum %D 1989 %P 337-346 %V 38 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1989__38_2_134964/ %F SF_1989__38_2_134964