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Communicated by G. Lallement
This research has been supported by NSERC of Canada under grants A8218 and A4596 to the respective authors.
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Rankin, S.A., Reis, C.M. Λ—finite actions and their automorphism groups. Semigroup Forum 24, 39–54 (1982). https://doi.org/10.1007/BF02572754
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DOI: https://doi.org/10.1007/BF02572754