The congruence extension property in compact semigroups having precisely one regular D-class
2007 ◽
Vol 154
(8)
◽
pp. 1834-1840
◽
1999 ◽
Vol 27
(11)
◽
pp. 5439-5461
◽
1972 ◽
Vol 35
(1)
◽
pp. 63-63