@article{1077380099, author = {Hildebrant, John A.}, title = {Compact $p$ -adic semigroups}, journal = {Duke Math. J.}, volume = {39}, number = {1}, year = {1972}, pages = { 39-44}, language = {en}, url = {http://dml.mathdoc.fr/item/1077380099} }
Hildebrant, John A. Compact $p$ -adic semigroups. Duke Math. J., Tome 39 (1972) no. 1, pp. 39-44. http://gdmltest.u-ga.fr/item/1077380099/