%0 Journal Article %A J.H. Carruth %A C.E. Clark %T Concerning restrictions of Green's H equivalence. %J Semigroup forum %D 1972 %P 186-190 %V 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1972__5_133938/ %F SF_1972__5_133938