Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1979__17_134323, author = {S. Subbiah and K. jr. Magill}, title = {Semigroups with exactly three regular ...-classes.}, journal = {Semigroup forum}, pages = {279--281}, publisher = {mathdoc}, volume = {17}, year = {1979}, zbl = {0408.20051}, url = {http://geodesic.mathdoc.fr/item/SF_1979__17_134323/} }
S. Subbiah; K. jr. Magill. Semigroups with exactly three regular ...-classes.. Semigroup forum, Tome 17 (1979), pp. 279-281. http://geodesic.mathdoc.fr/item/SF_1979__17_134323/