@article{GDZPPN001247255, title = {A cross section theorem for certain compact abelian semigroups.}, journal = {Semigroup forum}, volume = {1}, year = {1970}, pages = {254-259}, zbl = {0211.33803}, url = {http://dml.mathdoc.fr/item/GDZPPN001247255} }
Keimel, K. A cross section theorem for certain compact abelian semigroups.. Semigroup forum, Tome 1 (1970) pp. 254-259. http://gdmltest.u-ga.fr/item/GDZPPN001247255/