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@article{SF_1987__36_134893, author = {F. Catino}, title = {Factorizable semigroups.}, journal = {Semigroup forum}, pages = {167--174}, publisher = {mathdoc}, volume = {36}, year = {1987}, zbl = {0619.20044}, url = {http://geodesic.mathdoc.fr/item/SF_1987__36_134893/} }
F. Catino. Factorizable semigroups.. Semigroup forum, Tome 36 (1987), pp. 167-174. http://geodesic.mathdoc.fr/item/SF_1987__36_134893/