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On free affine semigroups

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Correspondence to J. C. Rosales.

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Communicated by J.M. Howie

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Rosales, J.C., García-Sânchez, P.A. On free affine semigroups. Semigroup Forum 58, 367–385 (1999). https://doi.org/10.1007/BF03325435

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