Semigroup Forum

, Volume 9, Issue 1, pp 253–260 | Cite as

The semigroup of hall relations

  • Kim Ki-Hang Butler


Hall Relation 
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Copyright information

© Springer-Verlag New York Inc. 1974

Authors and Affiliations

  • Kim Ki-Hang Butler
    • 1
  1. 1.Departamento de MatematicaInstituto de Fisica e MatematicaLisboaPortugal

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