TY  - JOUR
AU  - H.R.K. Iyengar
TI  - An example of a semigroup where a D-class is a subsemigroup but not bisimple.
JO  - Semigroup forum
PY  - 1970
SP  - 182
EP  - 183
VL  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1970__1_133789/
ID  - SF_1970__1_133789
ER  -