Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1968__18_2_a4, author = {\v{S}ulka, Robert}, title = {Note on the {Nilpotency} in {Compact} $H${-Semigroups}}, journal = {Mathematica slovaca}, pages = {105--112}, publisher = {mathdoc}, volume = {18}, number = {2}, year = {1968}, mrnumber = {0240235}, zbl = {0159.02802}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1968__18_2_a4/} }
Šulka, Robert. Note on the Nilpotency in Compact $H$-Semigroups. Mathematica slovaca, Tome 18 (1968) no. 2, pp. 105-112. http://geodesic.mathdoc.fr/item/MASLO_1968__18_2_a4/