Geodesic
A note on principal ideals and $\Cal J$-classes in the direct product of two semigroups
Czechoslovak Mathematical Journal, Tome 50 (2000) no. 1, pp. 91-98 Cet article a éte moissonné depuis la source Czech Digital Mathematics Library

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Classification : 20M12 
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Fabrici, Imrich. A note on principal ideals and $\Cal J$-classes in the direct product of two semigroups. Czechoslovak Mathematical Journal, Tome 50 (2000) no. 1, pp. 91-98. http://geodesic.mathdoc.fr/item/CMJ_2000_50_1_a11/

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