Voir la notice de l'article provenant de la source Numdam
@article{CM_1970__22_2_181_0, author = {Warne, R. J.}, title = {Some properties of simple $I$-regular semigroups}, journal = {Compositio Mathematica}, pages = {181--195}, publisher = {Wolters-Noordhoff Publishing}, volume = {22}, number = {2}, year = {1970}, mrnumber = {265495}, zbl = {0205.02302}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1970__22_2_181_0/} }
Warne, R. J. Some properties of simple $I$-regular semigroups. Compositio Mathematica, Tome 22 (1970) no. 2, pp. 181-195. http://geodesic.mathdoc.fr/item/CM_1970__22_2_181_0/