%0 Journal Article %A Peter R. Jones %T Varieties generated by free completely simple semigroups. %J Semigroup forum %D 1989 %P 269-282 %V 38 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1989__38_2_134960/ %F SF_1989__38_2_134960