Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1969__19_2_a10, author = {Fabrici, Imrich}, title = {On {Periodic} {Semigroups} with {One-Sided} {Identities}}, journal = {Mathematica slovaca}, pages = {145--148}, publisher = {mathdoc}, volume = {19}, number = {2}, year = {1969}, mrnumber = {0306364}, zbl = {0185.04402}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1969__19_2_a10/} }
Fabrici, Imrich. On Periodic Semigroups with One-Sided Identities. Mathematica slovaca, Tome 19 (1969) no. 2, pp. 145-148. http://geodesic.mathdoc.fr/item/MASLO_1969__19_2_a10/