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@article{SF_1995__50_3_135373, author = {K.H. Hofmann}, title = {From a topological theory of semigroup to a geometric one.}, journal = {Semigroup forum}, pages = {123--134}, publisher = {mathdoc}, volume = {50}, number = {3}, year = {1995}, zbl = {0824.22008}, url = {http://geodesic.mathdoc.fr/item/SF_1995__50_3_135373/} }
K.H. Hofmann. From a topological theory of semigroup to a geometric one.. Semigroup forum, Tome 50 (1995) no. 3, pp. 123-134. http://geodesic.mathdoc.fr/item/SF_1995__50_3_135373/