@article{GDZPPN001247182,
title = {On semigroup's admitting ring structure.},
journal = {Semigroup forum},
volume = {1},
year = {1970},
pages = {189-208},
zbl = {0209.32502},
url = {http://dml.mathdoc.fr/item/GDZPPN001247182}
}
Peinado, R.E. On semigroup's admitting ring structure.. Semigroup forum, Tome 1 (1970) pp. 189-208. http://gdmltest.u-ga.fr/item/GDZPPN001247182/