@article{1183526114, author = {Hofmann, K. H. and Mostert, P. S.}, title = {Irreducible semigroups}, journal = {Bull. Amer. Math. Soc.}, volume = {70}, number = {6}, year = {1964}, pages = { 621-627}, language = {en}, url = {http://dml.mathdoc.fr/item/1183526114} }
Hofmann, K. H.; Mostert, P. S. Irreducible semigroups. Bull. Amer. Math. Soc., Tome 70 (1964) no. 6, pp. 621-627. http://gdmltest.u-ga.fr/item/1183526114/