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@article{PORMA_2006__63_3_53131, author = {Crabb, M.J. and Munn, W.D.}, title = {On the contracted -algebra of a polycyclic monoid.}, journal = {Portugaliae mathematica}, pages = {327--334}, publisher = {mathdoc}, volume = {63}, number = {3}, year = {2006}, zbl = {1113.46046}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_2006__63_3_53131/} }
Crabb, M.J.; Munn, W.D. On the contracted -algebra of a polycyclic monoid.. Portugaliae mathematica, Tome 63 (2006) no. 3, pp. 327-334. http://geodesic.mathdoc.fr/item/PORMA_2006__63_3_53131/