Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1989__39_4_a3, author = {\v{S}ipo\v{s}, J\'an}, title = {Idempotents of compact monothetic semiclosure semigroups}, journal = {Mathematica slovaca}, pages = {371--375}, publisher = {mathdoc}, volume = {39}, number = {4}, year = {1989}, mrnumber = {1094760}, zbl = {0760.22004}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1989__39_4_a3/} }
Šipoš, Ján. Idempotents of compact monothetic semiclosure semigroups. Mathematica slovaca, Tome 39 (1989) no. 4, pp. 371-375. http://geodesic.mathdoc.fr/item/MASLO_1989__39_4_a3/