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@article{SF_1991__42_3_135081, author = {T. Papazyan}, title = {Oids, finite sums and the structure of the {Stone-Cech} compactification of a discrete semigroup.}, journal = {Semigroup forum}, pages = {265--278}, publisher = {mathdoc}, volume = {42}, number = {3}, year = {1991}, zbl = {0721.22002}, url = {http://geodesic.mathdoc.fr/item/SF_1991__42_3_135081/} }
T. Papazyan. Oids, finite sums and the structure of the Stone-Cech compactification of a discrete semigroup.. Semigroup forum, Tome 42 (1991) no. 3, pp. 265-278. http://geodesic.mathdoc.fr/item/SF_1991__42_3_135081/