Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1997__54_2_135531, author = {X. Guo}, title = {Abundant semigroups whose idempotents satisfy permutation identities.}, journal = {Semigroup forum}, pages = {317--326}, publisher = {mathdoc}, volume = {54}, number = {2}, year = {1997}, zbl = {0885.20038}, url = {http://geodesic.mathdoc.fr/item/SF_1997__54_2_135531/} }
X. Guo. Abundant semigroups whose idempotents satisfy permutation identities.. Semigroup forum, Tome 54 (1997) no. 2, pp. 317-326. http://geodesic.mathdoc.fr/item/SF_1997__54_2_135531/