Relations on a lattice of varieties of completely regular semigroups
1983 ◽
Vol 35
(2)
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pp. 227-235
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2013 ◽
Vol 42
(4)
◽
pp. 1397-1413
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2016 ◽
Vol 45
(7)
◽
pp. 2783-2794
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2007 ◽
Vol 83
(1)
◽
pp. 87-104
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1990 ◽
Vol 32
(2)
◽
pp. 137-152
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2015 ◽
Vol 43
(10)
◽
pp. 4080-4096
◽
2019 ◽
Vol 29
(08)
◽
pp. 1383-1407
◽
1989 ◽
Vol 39
(3)
◽
pp. 343-351
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