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- [21] CONGRUENCES AND GREEN RELATIONS ON EVENTUALLY REGULAR-SEMIGROUPS JOURNAL OF THE AUSTRALIAN MATHEMATICAL SOCIETY SERIES A-PURE MATHEMATICS AND STATISTICS, 1987, 43 : 64 - 69
- [23] RIGHT GROUP AND GROUP CONGRUENCES ON A REGULAR SEMIGROUP NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1973, 20 (03): : A318 - A318