%0 Journal Article %A R. Gilmer %T On the irreducibility of pure difference binomials. %J Semigroup forum %D 1991 %P 146-150 %V 43 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1991__43_3_135104/ %F SF_1991__43_3_135104