Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1971__21_4_a3, author = {\v{S}ulka, Robert}, title = {The {Maximal} {Semilattice} {Decomposition} of a {Semigroup}}, journal = {Mathematica slovaca}, pages = {269--276}, publisher = {mathdoc}, volume = {21}, number = {4}, year = {1971}, mrnumber = {0304525}, zbl = {0228.20048}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1971__21_4_a3/} }
Šulka, Robert. The Maximal Semilattice Decomposition of a Semigroup. Mathematica slovaca, Tome 21 (1971) no. 4, pp. 269-276. http://geodesic.mathdoc.fr/item/MASLO_1971__21_4_a3/