Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1970__1_133781, author = {R.J. Koch}, title = {Compact connected spaces supporting topological semigroups.}, journal = {Semigroup forum}, pages = {95--102}, publisher = {mathdoc}, volume = {1}, year = {1970}, zbl = {0218.22005}, url = {http://geodesic.mathdoc.fr/item/SF_1970__1_133781/} }
R.J. Koch. Compact connected spaces supporting topological semigroups.. Semigroup forum, Tome 1 (1970), pp. 95-102. http://geodesic.mathdoc.fr/item/SF_1970__1_133781/