@article{1077375370, author = {Numakura, Katsumi}, title = {Compact dual semigroups without nilpotent ideals}, journal = {Duke Math. J.}, volume = {31}, number = {1}, year = {1964}, pages = { 555-573}, language = {en}, url = {http://dml.mathdoc.fr/item/1077375370} }
Numakura, Katsumi. Compact dual semigroups without nilpotent ideals. Duke Math. J., Tome 31 (1964) no. 1, pp. 555-573. http://gdmltest.u-ga.fr/item/1077375370/