Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1971__21_2_a6, author = {Abrhan, Imrich}, title = {Note on the {Set} of {Nilpotent} {Elements} and on {Radicals} of {Semigroups}}, journal = {Mathematica slovaca}, pages = {124--130}, publisher = {mathdoc}, volume = {21}, number = {2}, year = {1971}, mrnumber = {0302792}, zbl = {0232.20129}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1971__21_2_a6/} }
Abrhan, Imrich. Note on the Set of Nilpotent Elements and on Radicals of Semigroups. Mathematica slovaca, Tome 21 (1971) no. 2, pp. 124-130. http://geodesic.mathdoc.fr/item/MASLO_1971__21_2_a6/