@article{GDZPPN001260952,
title = {Oids, finite sums and the structure of the Stone-Cech compactification of a discrete semigroup.},
journal = {Semigroup forum},
volume = {43},
year = {1991},
pages = {265-278},
zbl = {0721.22002},
url = {http://dml.mathdoc.fr/item/GDZPPN001260952}
}
Papazyan, T. Oids, finite sums and the structure of the Stone-Cech compactification of a discrete semigroup.. Semigroup forum, Tome 43 (1991) pp. 265-278. http://gdmltest.u-ga.fr/item/GDZPPN001260952/