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@article{SF_1974__9_134064, author = {J. Ad\'amek and V. Koubek and J. Reiterman}, title = {On the existence of special homogeneous monoids.}, journal = {Semigroup forum}, pages = {95--101}, publisher = {mathdoc}, volume = {9}, year = {1974}, zbl = {0303.20050}, url = {http://geodesic.mathdoc.fr/item/SF_1974__9_134064/} }
J. Adámek; V. Koubek; J. Reiterman. On the existence of special homogeneous monoids.. Semigroup forum, Tome 9 (1974), pp. 95-101. http://geodesic.mathdoc.fr/item/SF_1974__9_134064/