@article{GDZPPN001254782,
title = {Periodic properties of groupbound semigroups.},
journal = {Semigroup forum},
volume = {23},
year = {1981},
pages = {225-234},
zbl = {0462.20052},
url = {http://dml.mathdoc.fr/item/GDZPPN001254782}
}
Madison, B.; Mukherjea, T.K.; Sen, M.K. Periodic properties of groupbound semigroups.. Semigroup forum, Tome 23 (1981) pp. 225-234. http://gdmltest.u-ga.fr/item/GDZPPN001254782/