Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1995__50_3_135365, author = {P.A. Grillet}, title = {Stratified semigroups.}, journal = {Semigroup forum}, pages = {25--36}, publisher = {mathdoc}, volume = {50}, number = {3}, year = {1995}, zbl = {0822.20059}, url = {http://geodesic.mathdoc.fr/item/SF_1995__50_3_135365/} }
P.A. Grillet. Stratified semigroups.. Semigroup forum, Tome 50 (1995) no. 3, pp. 25-36. http://geodesic.mathdoc.fr/item/SF_1995__50_3_135365/