Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1989__38_2_134966, author = {John Dauns}, title = {Centers of semigroup rings and conjugacy classes.}, journal = {Semigroup forum}, pages = {355--364}, publisher = {mathdoc}, volume = {38}, number = {2}, year = {1989}, zbl = {0655.16001}, url = {http://geodesic.mathdoc.fr/item/SF_1989__38_2_134966/} }
John Dauns. Centers of semigroup rings and conjugacy classes.. Semigroup forum, Tome 38 (1989) no. 2, pp. 355-364. http://geodesic.mathdoc.fr/item/SF_1989__38_2_134966/