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@article{SF_1993__47_2_135257, author = {R.P. Hunter}, title = {On certain two generator monoids.}, journal = {Semigroup forum}, pages = {96--100}, publisher = {mathdoc}, volume = {47}, number = {2}, year = {1993}, zbl = {0788.22001}, url = {http://geodesic.mathdoc.fr/item/SF_1993__47_2_135257/} }
R.P. Hunter. On certain two generator monoids.. Semigroup forum, Tome 47 (1993) no. 2, pp. 96-100. http://geodesic.mathdoc.fr/item/SF_1993__47_2_135257/