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@article{SF_1994__48_3_135324, author = {P. Anthony}, title = {The smallest ideals in the two natural products on {{\ss}S.}}, journal = {Semigroup forum}, pages = {363--368}, publisher = {mathdoc}, volume = {48}, number = {3}, year = {1994}, url = {http://geodesic.mathdoc.fr/item/SF_1994__48_3_135324/} }
P. Anthony. The smallest ideals in the two natural products on ßS.. Semigroup forum, Tome 48 (1994) no. 3, pp. 363-368. http://geodesic.mathdoc.fr/item/SF_1994__48_3_135324/