Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1982__25_134585, author = {K.D. jr. Magill}, title = {Semigroups with only finitely many regular ... -classes.}, journal = {Semigroup forum}, pages = {361--378}, publisher = {mathdoc}, volume = {25}, year = {1982}, zbl = {0499.54031}, url = {http://geodesic.mathdoc.fr/item/SF_1982__25_134585/} }
K.D. jr. Magill. Semigroups with only finitely many regular ... -classes.. Semigroup forum, Tome 25 (1982), pp. 361-378. http://geodesic.mathdoc.fr/item/SF_1982__25_134585/