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S. Ilhan       Some criteria for subsemigroups of a symmetric numerical semigroup       Int. Journal of Contemp. Math. Sciences, Vol. 2, 2007, no. 9-12, 465-468       http://dx.doi.org/10.12988/ijcms.2007.07041
Copyright © 2007 S. Ilhan. This article is distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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