%0 Journal Article %A Rudolf Lidl %A Winfried B. Müller %T On Commutative Semigroups of Polynomials with Respect to Composition. %J Monatshefte für Mathematik %D 1986 %P 139-154 %V 102 %I mathdoc %U http://geodesic.mathdoc.fr/item/MOMA_1986__102_178294/ %F MOMA_1986__102_178294