The semigroup ring of a restriction semigroup with an inverse skeleton
Keyword(s):
1980 ◽
Vol 32
(6)
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pp. 1361-1371
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Keyword(s):
1988 ◽
Vol 110
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pp. 113-128
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Keyword(s):
1983 ◽
Vol 89
(1)
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pp. 49
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Keyword(s):
2010 ◽
Vol 38
(6)
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pp. 2092-2128
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Keyword(s):
1996 ◽
Vol 19
(3)
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pp. 507-520
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