@article{GDZPPN001247751,
title = {On semigroups admitting ring structure.},
journal = {Semigroup forum},
volume = {2},
year = {1971},
pages = {43-50},
zbl = {0228.20061},
url = {http://dml.mathdoc.fr/item/GDZPPN001247751}
}
Satyanarayana, M. On semigroups admitting ring structure.. Semigroup forum, Tome 2 (1971) pp. 43-50. http://gdmltest.u-ga.fr/item/GDZPPN001247751/