%0 Journal Article %A M. Ciric %A S. Bogdonovic %T Identities over the two-element alphabet. %J Semigroup forum %D 1996 %P 365-380 %V 52 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1996__52_3_135462/ %F SF_1996__52_3_135462