Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1981__23_134505, author = {N. Kehayopulu}, title = {A characterization of regular le-semigroups.}, journal = {Semigroup forum}, pages = {85--86}, publisher = {mathdoc}, volume = {23}, year = {1981}, zbl = {0467.06010}, url = {http://geodesic.mathdoc.fr/item/SF_1981__23_134505/} }
N. Kehayopulu. A characterization of regular le-semigroups.. Semigroup forum, Tome 23 (1981), pp. 85-86. http://geodesic.mathdoc.fr/item/SF_1981__23_134505/