%0 Journal Article %A P.R. Jones %T Monoid varieties defined by xn+1 = ... are local. %J Semigroup forum %D 1993 %P 318-326 %V 47 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1993__47_2_135282/ %F SF_1993__47_2_135282