@article{GDZPPN001256084, title = {Periodic properties of groupbound semigroups II.}, journal = {Semigroup forum}, volume = {26}, year = {1983}, pages = {229-236}, zbl = {0509.20044}, url = {http://dml.mathdoc.fr/item/GDZPPN001256084} }
Sen, M.K.; Madison, B.L.; Mukherjee, T.K. Periodic properties of groupbound semigroups II.. Semigroup forum, Tome 26 (1983) pp. 229-236. http://gdmltest.u-ga.fr/item/GDZPPN001256084/