@article{GDZPPN001265318, title = {Semigroups with strong and nonstrong magnifying elements.}, journal = {Semigroup forum}, volume = {53}, year = {1996}, pages = {384-386}, zbl = {0859.20050}, url = {http://dml.mathdoc.fr/item/GDZPPN001265318} }
Gutan, M. Semigroups with strong and nonstrong magnifying elements.. Semigroup forum, Tome 53 (1996) pp. 384-386. http://gdmltest.u-ga.fr/item/GDZPPN001265318/