Geodesic
The number of commutative semigroups of order N.
Semigroup forum, Tome 50 (1995) no. 3, pp. 317-326.

Voir la notice de l'article provenant de la source European Digital Mathematics Library

Mots-clés : explicit upper bound, number of commutative semigroups, finite commutative semigroups, subdirect products, nilsemigroups, elementary semigroups, number of idempotents, group of units 
@article{SF_1995__50_3_135390,
     author = {P.A. Grillet},
     title = {The number of commutative semigroups of order {N.}},
     journal = {Semigroup forum},
     pages = {317--326},
     publisher = {mathdoc},
     volume = {50},
     number = {3},
     year = {1995},
     zbl = {0831.20079},
     url = {http://geodesic.mathdoc.fr/item/SF_1995__50_3_135390/}
}
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P.A. Grillet. The number of commutative semigroups of order N.. Semigroup forum, Tome 50 (1995) no. 3, pp. 317-326. http://geodesic.mathdoc.fr/item/SF_1995__50_3_135390/