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@article{SF_1979__17_134317, author = {G.J. Sz\'ekely}, title = {Algebraic dimension of semigroups with application to invariant measures.}, journal = {Semigroup forum}, pages = {185--187}, publisher = {mathdoc}, volume = {17}, year = {1979}, zbl = {0407.22001}, url = {http://geodesic.mathdoc.fr/item/SF_1979__17_134317/} }
G.J. Székely. Algebraic dimension of semigroups with application to invariant measures.. Semigroup forum, Tome 17 (1979), pp. 185-187. http://geodesic.mathdoc.fr/item/SF_1979__17_134317/