%0 Journal Article %A S. Subbiah %A K.D. Magill %T Schützenberger groups of some irregular ...-classes. %J Semigroup forum %D 1975 %P 283-314 %V 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1975__10_134122/ %F SF_1975__10_134122