@article{GDZPPN001249150,
title = {On semigroups admitting ring structure II.},
journal = {Semigroup forum},
volume = {7},
year = {1974},
pages = {189-197},
zbl = {0262.20069},
url = {http://dml.mathdoc.fr/item/GDZPPN001249150}
}
Satyanarayana, M. On semigroups admitting ring structure II.. Semigroup forum, Tome 7 (1974) pp. 189-197. http://gdmltest.u-ga.fr/item/GDZPPN001249150/