Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1969__19_4_a8, author = {Fabrici, Imrich}, title = {Classes of {Regularity} in {Semigroups}}, journal = {Mathematica slovaca}, pages = {299--304}, publisher = {mathdoc}, volume = {19}, number = {4}, year = {1969}, mrnumber = {0306365}, zbl = {0186.31202}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1969__19_4_a8/} }
Fabrici, Imrich. Classes of Regularity in Semigroups. Mathematica slovaca, Tome 19 (1969) no. 4, pp. 299-304. http://geodesic.mathdoc.fr/item/MASLO_1969__19_4_a8/