%0 Journal Article %A H.R.K. Iyengar %T An example of a semigroup where a D-class is a subsemigroup but not bisimple. %J Semigroup forum %D 1970 %P 182-183 %V 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1970__1_133789/ %F SF_1970__1_133789