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@article{MZ_1964__85_170286, author = {Mario Petrich.}, title = {The maximal semilattice decomposition of a semigroup.}, journal = {Mathematische Zeitschrift}, pages = {68--82}, publisher = {mathdoc}, volume = {85}, year = {1964}, zbl = {0124.25801}, url = {http://geodesic.mathdoc.fr/item/MZ_1964__85_170286/} }
Mario Petrich. The maximal semilattice decomposition of a semigroup.. Mathematische Zeitschrift, Tome 85 (1964), pp. 68-82. http://geodesic.mathdoc.fr/item/MZ_1964__85_170286/