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Some subdirectly irreducible idem-potent semigroups.

J.A. Gerhard — 1972

Semigroup forum

Injectives in equational classes of idempotent semigroups.

J.A. Gerhard — 1974

Semigroup forum

Semigroups with idempotent powers, I.

J.A. Gerhard — 1977

Semigroup forum

All varieties of orthogroups.

M. Petrich;  J.A. Gerhard — 1985

Semigroup forum

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  • 1 en

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  • 4 Article

Journals

  • 4 Semigroup forum

Years

  • 1 1985
  • 1 1977
  • 1 1974
  • 1 1972

Authors

  • 4 Gerhard, JA
  • 1 Petrich, M
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